The items a to e that follow show the number of sides of a regular polygon. For each item, find the sum and the individual value of the interior angles.
a) 15 sides
b) 20 sides
c) 3 sides
d) 4 sides
e) 100 sides

Answers

Answer 1

For the polygon the individual value of the interior angles.

a) 15 sides is 145°

b) 20 sides is 108°

c) 3 sides is 60°

d) 4 sides is 90°

e) 100 sides is 18°

A regular polygon is one where all sides are the same length and all interior angles are the same. The number of sides of a regular polygon can affect the value of its interior angles.

a) 15 sides: The sum of the interior angles of a regular polygon with 15 sides is equal to 2180 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 2180 / 15 = 145 degrees per angle.

b) 20 sides: The sum of the interior angles of a regular polygon with 20 sides is equal to 2160 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 2160 / 20 = 108 degrees per angle.

c) 3 sides: The sum of the interior angles of a regular polygon with 3 sides is equal to 180 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 180 / 3 = 60 degrees per angle.

d) 4 sides: The sum of the interior angles of a regular polygon with 4 sides is equal to 360 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 360 / 4 = 90 degrees per angle.

e) 100 sides: The sum of the interior angles of a regular polygon with 100 sides is equal to 1800 degrees. To find the individual value of each angle, divide the sum by the number of sides. In this case,

=> 1800 / 100 = 18 degrees per angle.

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Related Questions

The price of a pair of jeans is $75 a store then wanted to mark them up 20%. What is the price of the jeans after the markup?

Answers

The price of the jeans after the markup is equal to $90.

How to calculate the markup price?

Generally speaking, the markup price of a product can be calculated by multiplying the cost price by the markup value.

Markup price = 20/100 × 75

Markup\; price = 0.2 × 75

Markup price = $15

Now, we can find the new cost of the jeans after the markup is applied as follows:

New cost = Markup price + Cost price

New cost = $15 + $75

New cost = $90.

In conclusion, we can logically deduce that new cost of the jeans after the markup is applied is 90 dollars.

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Use technology to find points and then graph the function y = log₂ (x − 1) — 5,
following the instructions below.
done plotting points
Plot at least four points that fit on the axes below. Click a point to delete it.
10 9 8
10
8
N
9
4
3
10

Answers

The (x,y) coordinate points of the logarithmic function are as follows. (2, -5), (3, -4), (5, -3), (9, -2), (1, - 10).

The graph of a logarithmic function

The exponential function is thought of as the inverse of the logarithmic function because of its close relationship. The logarithmic function logaN = x is derived from the exponential function ax = N.

When seen as an exponential form, the logarithm of any integer N is the exponent to which the base of the logarithm needs to be raised in order to reach the value of N.

The fundamental logarithmic function has the notation f(x) = log_ax(r) y = log_a(x), where a > 0. Natural logarithm (ln) and common logarithm are examples of log functions (log).

From the given information, the logarithmic function y = log₂ (x − 1)- 5 is plotted on the graph and the following x,y points are obtained.

(x,  y)(2, -5), (3, -4), (5, -3), (9, -2), (1, - 10).

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You pick a card at random.
1 2 3 4
What is P(factor of 10)?
Write your answer as a fraction or whole number.

Answers

The probability of picking a factor of 10 is 1/4 or 0.25 as a decimal.

What is probability?

Probability can be defined as the ratio of favorable outcomes to the total number of events.

Here,
To calculate the probability of picking a factor of 10, we need to count the number of cards that are factors of 10 and divide that by the total number of cards.

The factors of 10 are 1, 2, 5, and 10. Out of the given cards, only 2 is a factor of 10.

Therefore, the probability of picking a factor of 10 is 1/4 or 0.25 as a decimal.

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In a bimodal histogram, the two highest bars will have the same height.
True or False

Answers

In a bimodal histogram, the two highest bars will have the same height.

The above statement is TRUE that is n a bimodal histogram, the two highest bars will have the same height.

A histogram is said to be bimodal if it has two peaks. The only defining characteristic about this distribution is that it has 2 peaks of the same height. Bimodality sometimes occurs when the data set consists of observations from two different group of individuals. If this shape occurs, the two sources should be separated and analysed separately.

A bimodal histogram shape often reflects the presence of two different processes being "mixed" in the displayed data. For example, the data could contain information from two different machines, two shifts, weekdays and weekends, two offices, etc.

In some cases bimodal histogram indicates that the sample can be divided into two sub samples that differ from each other in some way.

Thus in a bimodal histogram, the two highest bars will have the same height.

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Mrs. Gregory, the golf course superintendent at a country club, plans to reseed the putting green of the first hole. The circular putting green has a diameter of 38 ft.

People on golf course, aerial view.

What is the area of the putting green?



Use π=3.14.

Question 1 options:
------------------------
ANSWERS:

1133.54 ft²


119.32 ft²


1133 ft²


1314.14 ft²

Answers

Answer:

Step-by-step explanation:  1133.5.

find
15% of 540
45% of 320
20% of 95


And thank you for answering my god bless you

Answers

Answer:

81, 144 and 19

Step-by-step explanation:

What is a percentage?

A percentage is a ratio or a number expressed in the form of a fraction of 100. Percentages are often used to express a part of a total.

To solve for the first problem, we can use this equation:

15% × 540 = 81

For the second:

45% × 320 = 144

And the third:

20% × 95 = 19

Therefore, 81, 144 and 19 are the answers.

expression by 1 2 +1 3 || + −1+ 4 + rewrite the expression by adding the whole numbers first ​

Answers

The value of the expression is 28.

What is an expression?

An expression contains more than two variables or numbers with addition, subtraction, multiplication, and division.

Example: 4.4 + 3x + 9.9y = 7 is an expression.

We have,

12 + 13 + -1 + 4

All the terms are whole numbers.

= 25 + 4 - 1

= 29 - 1

= 28

Thus,

28 is the value.

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HELP ASAP !!!!!!!PLEASE

Answers

Due to the fact that they are both increased to the same power, the two functions are exponential. Both functions have distinct constants and rates.

What is a function?

A unit of code known as a function carries out a particular task. A function in mathematics is a relationship between a set of allowable inputs and outputs, having the condition that each input is connected to exactly one output.

As illustrated in the graphic that represents the posed question, the two functions that we are considering are all such that we can see that they are exponential in nature.

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4) If (6,4) and (3 ,m) are two perpendicular vectors, then m =​

Answers

Answer:

Step-by-step explanation:

If two vectors are perpendicular to each other then their scalar(dot) product must be zero.

Therefore,  

A

.

B

=0

(2

i

^

+2

j

^

+3

k

^

)⋅(3

i

^

+6

j

^

+n

k

^

)=0

6+12+3n=0

3n=−18

n=−6


The result of a number, when decreased by 66 2/3%, is 432. Find the number

Answers

Answer:

1298/3 is the answer

Step-by-step explanation:

Answer:

1296

Step-by-step explanation:

Let the unknown number be x.

If 432 is the result of x being decreased by 66²/₃%, then 432 is 33¹/₃% of x since 100% - 66²/₃% = 33¹/₃%.

Therefore:

[tex]\implies 33\frac{1}{3}\%\;\textsf{of}\;x=432[/tex]

[tex]\implies \dfrac{33\frac{1}{3}}{100} \cdot x=432[/tex]

[tex]\implies \dfrac{33\frac{1}{3}x}{100} =432[/tex]

Multiply both sides of the equation by 100:

[tex]\implies 33\frac{1}{3}x =43200[/tex]

Rewrite 33¹/₃ as an improper fraction:

[tex]\implies \dfrac{100}{3}x =43200[/tex]

Multiply both sides by 3:

[tex]\implies 100x=129600[/tex]

Divide both sides by 100:

[tex]\implies x=1296[/tex]

Therefore, the number that when decreased by 66²/₃% is 432, is 1296.

what is the solution to the system
line 1: y= -2x-4
line 2: y=2/5x + 16/5

Answers

The solution of system of equation  y= -2x-4 and  y=2/5x + 16/5 is (-3, 2).

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

The system of equations are  y= -2x-4

and y=2/5x + 16/5

By substitution method let us find the solution.

2/5x + 16/5=-2x-4

2/5x+2x=-4-16/5

12x/5=-20-16/5

12x=-36

Divide both sides by 12

x=-3

Now plug in x value in any of the equation

y=-2(-3)-4

y=6-4

y=2

Hence, the solution of system of equation  y= -2x-4 and  y=2/5x + 16/5 is (-3, 2).

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Ava's birthday cake is 11\dfrac{7}{10}\text{ cm}11 10 7 ​ cm11, start fraction, 7, divided by, 10, end fraction, start text, space, c, m, end text tall. Her candles stick up from the cake an additional 5\dfrac4{10}\text{ cm}5 10 4 ​ cm5, start fraction, 4, divided by, 10, end fraction, start text, space, c, m, end text. What is the total height of the cake and candles?

Answers

The total height of the cake and candles is [tex]16\frac{1}{10}[/tex]

What is Fraction?

A fraction represents a part of a whole.

Ava's birthday cake is [tex]11\frac{7}{10}[/tex]

Her candles stick up from the cake an additional [tex]5\frac{4}{10}[/tex]

We need to find the total height of the  cake and candles

We have to add both the heights.

[tex]11\frac{7}{10}[/tex] +  [tex]5\frac{4}{10}[/tex]

107/10+54/10

161/10

[tex]16\frac{1}{10}[/tex]

Hence, the total height of the cake and candles is [tex]16\frac{1}{10}[/tex]

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A classroom has a perimeter of 90 feet. What is the perimeter of the
classroom in yards?
270 yards
30 yards
300 yards
27 yards

Answers

30 yards because 3 feet=1 yard
30 yards 3 feet equals one yard 90 divided by 3 is 30

A group of students was surveyed in a middle school class. They were asked how many hours they work on math homework each week. The results from the survey were recorded.



Number of hours Total number of students

0 1

1 3

2 2

3 5

4 9

5 7

6 3


Determine the probability that a student studied for 1 hour.

1.0

0.9

0.3

0.1


hellppppppp ASAP

Answers

The probability that a student studied for 1 hour will be 0.10. Then the correct option is D.

What is probability?

Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences.

Then the probability is given as,

P = (Favorable event) / (Total event)

The table is given below.

Number of hours               Total number of students

            0                                                 1

            1                                                  3

            2                                                 2

            3                                                 5

            4                                                 9

            5                                                 7

            6                                                 3

The total number of students is given as,

Total = 1 + 3 + 2 + 5 + 9 + 7 + 3

Total = 30

Then the probability that a student studied for 1 hour is given as,

P = 3 / 30

P = 0.10

The probability that a student studied for 1 hour will be 0.10. Then the correct option is D.

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Múltiples that are shared by two or more numbers are

Answers

Answer:

common multiples

Step-by-step explanation:

Consider the equation pT=kVN, where k is a constant. Select all of the correct
answers that describe the variation between variables.
p varies [inversely or directly]with V
N varies [inversely or directly]with V
p varies [ inversely or directly]With T
T varies [ inversely or directly] with N

Answers

The correct answer is P and T directly varies with V and N, and P and N inversely varies with T and V respectively.

What is direct variation?

It is the mathematical relationship between two variables which can be expressed by an equation in which one variable is equal to a constant times the other.

Given that, the equation pT = kVN, where k is a constant.

pT = kVN

If we remove constant, then,

pT ∝ VN

or

p 1/∝ T

V 1/∝ N

Hence, the correct answer is P and T directly varies with V and N, and P and N inversely varies with T and V respectively.

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a wildlife biologist is doing research on chronic wasting disease and its impact on the deer populations in northern colorado. to estimate the difference between the proportions of deer with chronic wasting disease in two different regions, a random sample of 200 deer was obtained from one region and a random sample of 197 deer was obtained from the other region. the biologist checked for the following.

Answers

The biologist was checking the condition for inference that (d) the observations within each sample are close to independent.

This is concluded from the fact that the biologist was checking if the product of sample size and the proportion of deer with chronic wasting disease in each sample was greater than or equal to 10. This is a commonly used rule of thumb to ensure that each sample has enough data to provide meaningful information about the population, and it is based on the idea that the sample size should be large enough such that the expected number of success (deer with chronic wasting disease) is at least 10 and the expected number of failures (deer without chronic wasting disease) is at least 10.

This helps to ensure that the observations within each sample are close to independent, as the sample proportions are unlikely to be greatly influenced by any individual deer in the sample.

Correct Question :

A wildlife biologist is doing research on chronic wasting disease and its impact on the deer populations in northern colorado. to estimate the difference between the proportions of deer with chronic wasting disease in two different regions, a random sample of 200 deer was obtained from one region and a random sample of 197 deer was obtained from the other region. the biologist checked for the following:

(200)(0.06)≥10

(200)(0.94)≥10

(197)(0.086)≥10

(197)(0.914)≥10

Which of the following conditions for inference was the biologist checking?

a. The population of deer within each region is approximately normal.

b. It is reasonable to generalize from the samples to the populations.

c. The samples are independent of each other.

d. The observations within each sample are close to independent.

e. The sampling distribution of the difference in sample proportions is approximately normal.

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Help with geometry right triangles word problems

Answers

answer: 29.61
Referring to my photo, x is the length of the ladder.
Set up a trigonometric ratio to determine x
sin(71) = 28/x
Isolate x:
Multiply both side of the equation by x
sin(71)x = 28
Divide both sides by sin(71)
x = 28/sin(71)
Input into a calculator,
Which will get you the answer of
29.61

Consider the función h(x)=2|x+4|-5

Answers

Graph the absolute value using the vertex and a few selected points.

What is the price of a mobile whose market price is Rs 15,000 and 13% VAT was levied after allowing 20% discount on it?​

Answers

The cell phone costs Rs 13,560 after a 20% discount and 13% VAT are applied.

Market price and discount.

First, we need to calculate the discount amount given on the market price of the mobile phone:

Discount = 20% of the market price

Discount = 0.20 x 15000

Discount = 3000

So, the discounted price of the mobile phone is:

Discounted Price = Market Price - Discount

Discounted Price = 15000 - 3000

Discounted Price = 12000

Now, we need to add the VAT amount to the discounted price:

VAT = 13% of the discounted price

VAT = 0.13 x 12000

VAT = 1560

Therefore, the final price of the mobile phone, including the discount and VAT, is:

Final Price = Discounted Price + VAT

Final Price = 12000 + 1560

Final Price = 13560

So, the price of the mobile phone, after allowing a 20% discount and levying 13% VAT, is Rs 13,560.

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what is 190lbs in kg ?

Answers

The pound is defined as 453.59237 grams. Using the formula to convert pounds to kilograms, you find that 190 pounds equals 86.18 kilograms.

We know that :

1 lb/ Pound = 0.453592 kilogram

therefore,

190 lbs/ Pound =  86.18 kilogram.

Using the formula to convert pounds to kilograms, you find that 190 pounds equals 86.18 kilograms

To convert 190 pounds (pounds) to kilograms (kg), you must use the conversion factor 1 pound = 86.18 kilogram.

Therefore,

we multiply 190 pounds by 86.18 kg/lb to get the equivalent weight in kilograms:

190 pounds x 0.45359237 kg/lb = 86.1825503 kilogram

Therefore,

190 pounds is 86.18 kilogram.

To understand the conversion factor, you need to know that pounds and kilograms are units of mass, but are used in many parts of the world. In the United States and some other countries, the accepted unit of mass is the pound, while most other countries use the kilogram.

A conversion factor connects the number of pounds to the number of kilograms, so you can easily convert from one unit of measure to another. It is important to use the correct conversion factor for accurate conversion.

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If point A is (- 6, 24) apply a dialation of 1/2 to find A^ prime

Answers

A' is a dilation can only make the point bigger!

How do you find the dilation of a point?

The coordinate plane movement of a point is referred to as dilation. To achieve this, find the horizontal and vertical distances from the center of dilation, multiply them by a scale factor, and then add those results to get the coordinates of the dilated point.

A dilatation is a kind of transformation that increases or decreases the size of a figure (referred to as the preimage) to produce a new figure (called the image). The size of the dilation image relative to the preimage is determined by the scale factor, r. k will always have a value larger than zero.

Therefore, the correct answer is option a) a dilation can only make the point bigger!

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What is the equation of the line that passes through the point (5,0) and has a slope of 6/5?

Answers

The solution is, the equation of the line that passes through the point (5,0) and has a slope of 6/5 is , y=6/5*x - 6

What is a straight line?

A straight line is an endless one-dimensional figure that has no width. It is a combination of endless points joined both sides of a point and has no curve.

here, we have,

the line that passes through the point (5,0) and has a slope of 6/5

now, w know, the point slope form of straight line is,

y-y1=m(x-x1)

so, putting the values , we get,

y-0=6/5(x-(5))

y-0=6/5(x-5)

y=6/5*x- 30/5

y=6/5*x- 6

Hence, The solution is, the equation of the line that passes through the point (5,0) and has a slope of 6/5 is , y=6/5*x - 6

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1. A solid metal cuboid has a volume of 600cm3.
(a) The base of the cuboid is 10cm by 12cm. Calculate the height of the cuboid.
(b) The solid metal cuboid is melted and made into 1120 spheres, each with radius 0.45cm. Find the volume of metal not used in making these spheres.​

Answers

Answer:

(a) The height of the cubiod is 5cm.

(b) The volume of metal not used in making these spheres is 172cm^3.

Step-by-step explanation:

(a) 12*10= 120

     600/120= 5cm

(b) volume of 1120 spheres= (4/3*π*0.45^3)(1120)

                                              = 428cm^3 (to 3 s.f.)

    600-428= 172cm^3

Based on the t-test assuming equal variances on the T-Test Equal worksheet, is it reasonable to assume that the variances are equal? O Examining the ratio of the variances, it is reasonable to conclude that the variances are unequal. O Whether the variances are equal or not is not relevant for this situation.O Examining the ratio of the variances, it is reasonable to conclude that the variances are equal. O It is impossible to determine if the variances are equal given the data we have.

Answers

Based on the t-test assuming equal variances "Examining the ratio of the variances, it is reasonable to conclude that the variances are unequal."

When conducting a t-test assuming equal variances, it is necessary to determine whether or not the variances of the two groups being compared are actually equal. This is important because the calculation of the t-statistic depends on the assumption of equal variances.

To assess the assumption of equal variances, one can examine the ratio of the variances of the two groups. Typically, if the ratio of the variances is greater than 2 or less than 1/2, then it is reasonable to conclude that the variances are unequal. In the absence of such evidence, one can assume that the variances are equal.

Therefore, it is not reasonable to assume that the variances are equal.

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Solve each system by graphing
x-y=3
7x-y=-3

Answers

Answer: (-1, 4)

Explanation: To graph these equations you must set them equal to y.

y=x-3 and y=7x+3 should be the equations

When you graph them, they should intersect at point (-1,4)

Is it possible to form a triangle with side lengths 3.5, 3.5, and 9? If so, will it be scalene, isosceles, or equilateral? A. Yes; scalene O B. Yes; isosceles O C. Yes; equilateral O D. No

Answers

No , it is not possible to form a triangle with side lengths 3.5, 3.5, and 9 , because of the rule that sum of any two sides must be greater than other side. So, Option D is correct.

A triangle is a two-dimensional shape formed by three line segments connecting three points. In order to form a triangle, a necessary and sufficient condition is that the sum of the lengths of any two sides must be greater than the length of the third side. This is known as the triangle inequality theorem.

If the sum of the lengths of any two sides is less than or equal to the length of the third side, then the three line segments will not be able to form a closed shape, and therefore cannot form a triangle.

In the case of the triangle with side lengths 3.5, 3.5, and 9, the sum of the lengths of the first two sides is 7, which is less than the length of the third side, 9. Hence, these three side lengths do not satisfy the triangle inequality theorem, and therefore cannot form a triangle.

In general, to determine the type of triangle that can be formed with three given side lengths, it is necessary to compare the lengths of the sides and check if any two sides are equal in length (isosceles), or if all three sides are equal in length (equilateral). If none of the sides are equal, then the triangle is called scalene.

In this case, since it is not possible to form a triangle with the given side lengths, it is not possible to determine the type of triangle that would be formed.

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You want to deliver a package to Japan. The FedEx delivery service charges a $10 flat fee plus $2 per pound. You can also use the USPS Priority Mail service which charges a $2 flat fee plus $4 per pound.

Write an equation for the cost for FedEx to send the package.
Use x as the number of pounds and use y as the total cost.

Answers

The cost function for FedEx delivery is -

C{x} = 2x + 10

What are algebraic expressions?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Given is that you want to deliver a package to Japan. The FedEx delivery service charges a $10 flat fee plus $2 per pound. You can also use the USPS Priority Mail service which charges a $2 flat fee plus $4 per pound.

For the FedEx delivery, we can write the cost function as -

C{x} = 2x + 10

Therefore, the cost function for FedEx delivery is -

C{x} = 2x + 10.

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Help. This is 2 parts

Answers

Answer:can u take a picture that is a bit more closer

Step-by-step explanation:

please submit a closer picture

Male and female high school students reported how many hours they worked each week in
summer jobs. The data is represented in the following box plots.
0
Males
Females
4.
10
20
30
40
50
Identify any values of data that might affect the statistical measures of spread and center. (1
point)

Answers

The value of data that might affect the statistical measures of spread and center is B. There is a high data value that causes the data set to be asymmetrical for the males.

How can spread and center be affected ?

Outliers stretch out the data further, resulting in a wider range and a higher standard deviation. On the other hand, eliminating outliers reduces data spread, resulting in a lower range and standard deviation.

When an outlier is present, it might change the way the graph looks since it raises the mean. From the chart, there is a high data value in the males which will therefore make the data to be asymmetrical for the males as the larger spread for the males means the data set tilts towards them.

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the functions f, g, and h are defined byf(x)=3x-4, g(x)=x-2, and h(x) = 5xfind each of the following:(f + g)(2) an expression attached to an if statement should evaluate to a boolean data type. True or False? deferred revenue is reported on the balance sheet as a current? What was the effect of the authors repetitive use of the word custody? Suppose each of the apples weighs about 5 ounces. Can you buy 24 apples for $9? Explain What is meant by absolute advantage? all of the following are known effects of thyroid hormone on peripheral tissues except:a.increased oxygen consumption.b.increased heart rate.c.increased sensitivity to autonomic stimulation.d.increased body temperature.e.decreased cellular metabolism The sum of a number times 2 and 29 is at least 25 What is an example envelopment attack? State consequences under anger in a society homelessness prevention and rapid re-housing program because? Does anyone know the answer to this? Limestone caves can develop when limestone rock is weathered. The weathering of the rock leaves an empty space that forms the cave.Which of the following best explains how the limestone weathered? why is gaming so bad for your eyes let me know Does synapsis occur during zygotene? For a given distribution, the range is 60. Assuming the distribution is bell-shaped, the estimated standard deviation is = ____ Prove that for any rational number and any irrational number there exists an irrationalnumber between them. A proof by contradiction is a suggested approach Convert 2 pints into milliliters. Round your answer to the nearest whole number. step-variable costs blank .multiple select question.may include total salaried employee expenseare generally treated as fixed costscan be adjusted quickly as conditions change How is unearned revenue adjusted?