at the present time, gerald is eight less than five times his nephews age. seven years ago gerald was 9 times his nephews age.
(A)if g represents geralds age now and n represents his nephews age today. use a system of equations that could be used to model this scenario?
(B)than use the equations to determine algebraically the ages of both Gerald and his nephew.
(C)than determine in how many years Gerald will be three times as old as his nephew?

Answers

Answer 1
Hiiiiiiiiiiiiiiiiiiiiiiiiiiiii
Answer 2

What you know about rollin' down in the deep?

When your brain goes numb, you can call that mental freeze

When these people talk too much, put that sh*t in slow motion, yeah

I feel like an astronaut in the ocean, ayy

What you know about rollin' down in the deep?

When your brain goes numb, you can call that mental freeze

When these people talk too much, put that sh*t in slow motion, yeah

I feel like an astronaut in the ocean


Related Questions

please help me look at the photo!

Answers

First of all multiply both sides by the power of 3 to cancel out the cube roots.

So you will be left out with:

X+4 > -x

Now simplify:

4 > -x-x

4> -2x

4/-2 > -2x/-2

-2 > x

Final answer:

It’s C , x < -2

Good luck and best of wishes!!

On a coordinate plane, a line goes through (negative 3, negative 3) and (negative 1, 5). What is the equation of the line parallel to the given line with an x-intercept of 4?

Answers

y = mx + c

m = gradient

gradient of line:
[5 - (-3)]/[(-1) - (-3)]
= 8/2
= 4

y = mx + c
subsitute (4, 0)
0 = (4)(4) + c
0 = 16 + c
c = -16

equation of the line:

y = 4x - 16

hope this helped :)



Answer:

4, -16

Step-by-step explanation:

Use the digits 0 - 9 to fill in the blank.
[tex]243 \frac{1}{5} = blank[/tex]

Answers

Answer:

use 0-9 to fill in blanks

Step-by-step explanation:

A cube with side lengths of 4 cm has a density of 3 grams/cubic centimeters. The mass of the cube is _____ grams?

Answers

9514 1404 393

Answer:

  21 1/3 grams

Step-by-step explanation:

The mass is the product of the volume and the density. The volume of a cube is the cube of its edge dimension.

  M = Vρ

  M = (4 cm)³×(3 g/cm³) = 64/3 g

The mass of the cube is 64/3 = 21 1/3 grams.

according to a salad recipe each serving requires 4 teaspoons of vegetable oil and 12 teaspoons of vinegar. if 14 teaspoons of vegetable oil were used how many teaspoons of vinegar should be used

Answers

Answer:

42 teaspoons of vinegar

Step-by-step explanation:

Given

[tex]x \to vegertable[/tex]

[tex]y \to vinegar[/tex]

[tex]x : y = 4 :12[/tex]

Required

Find y when [tex]x = 14[/tex]

[tex]x : y = 4 :12[/tex] implies that:

[tex]14 : y = 4 : 12[/tex]

Express as fraction

[tex]\frac{y}{14} = \frac{12}{4}[/tex]

[tex]\frac{y}{14} = 3[/tex]

Multiply by 3

[tex]y = 14* 3[/tex]

[tex]y = 42[/tex]

When traveling to work, Cherise averages 60 miles per hour.Because of heavy traffic in the evening, she averages only 40 miles per hour. If the distance from home to work is 80 miles, how much longer does it take Cherise to make the drive home?

Answers

Answer:  40 minutes

============================================================

Explanation:

The distance traveled is d = 80 miles.

When going to work, her speed is r = 60 mph. She takes t = d/r = 80/60 = 4/3 hours which converts to 80 minutes. Multiply by 60 to go from hours to minutes.

Notice how the '80' shows up twice (in "80 miles" and "80 minutes"). This is because traveling 60 mph is the same as traveling 1 mile per minute.

-----------------

Now as she's coming home, her speed becomes r = 40 and she takes t = d/r = 80/40 = 2 hours = 120 minutes.

The difference in time values is 120 - 80 = 40 minutes.

Her commute back home takes 40 more minutes compared to the morning drive to work.

A cyclist travels 3 miles in 15 minutes and then a further 7 miles in 25 minutes without stopping.
Calculate the cyclist's average speed in mph.

Answers

Answer:

v = 15 mph

Step-by-step explanation:

Given that,

A cyclist travels 3 miles in 15 minutes and then a further 7 miles in 25 minutes without stopping.

Total distance, d = 3 + 7 = 10 miles

Total time, t = 15 + 25 = 40 minutes = 0.6667 hours

Average speed,

[tex]v=\dfrac{d}{t}[/tex]

Put all the value,

[tex]v=\dfrac{10}{0.6667}\\\\= $$14.99\ mph[/tex]

or

v = 15 mph

So, the required average speed is equal to 15 mph.

write 145,567 in expanded notation​

Answers

Answer:

100000+45000+500+60+7

Write as many observations as you can for 5k + 23 - 4

Answers

Answer:

5k+19

Step-by-step explanation:

Subtract 4 from 23

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Answers

CollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollegeCollege

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d= (r+c)t
how do i solve for t?

Answers

Answer:

[tex] { \tt{d = (r + c)t}}[/tex]

Divide ( r+c ) on both sides:

[tex]{ \tt{t = { \frac{d}{(r + c)} }}}[/tex]

Answer:

d / ( r + c) = t

Step-by-step explanation:

d = ( r + c ) t

Divide each side by ( r + c)

d / (r + c ) = ( r + c ) t / ( r + c)

d / ( r + c) = t

A pile of 15 boxes is 3 metres high. What is the depth of each box?
5 m
0.002 km
200 cm
200 mm

pls help

Answers

A I seen it on the test


A jet travels 5192 miles against a jetstream in 8 hours and 6072 miles with the jetstream in the same amount of time. What
is the rate of the jet in still air and what is the rate of the jetstream?

Answers

the answer is in the picture

Mass of a proton: 1.007825 units
Mass of a neutron: 1.008665 units
Calculate the mass Defect of 214 N has actual mass of 14.0031 u.

Answers

Given:-

mass of proton = 1.007825 umass of neuron = 2.008625 u .Actual mass = 14.0031 u

To find:-

The mass defect.

Answer:-

Mass defect arises when the mass of the atom differs from the sum of masses of nucleons . As we know that the nucleus of an atom is made up of neutrons(n) and protons (p) , and the total mass of a atom is the mass of nucleons ( protons and neutrons ) as electrons have mass very low as compared to that of n or p .

If we denote mass number by [tex]\green{A}[/tex] , then ;

[tex]\implies A = n_{\rm neutrons} + n_{\rm protons} [/tex]

Let [tex] Z[/tex] be the atomic number, then ;

[tex]\implies n_p = Z [/tex]

So, the number of neutrons will be;

[tex]\implies n_n = (A-Z) [/tex]

Therefore total mass would be ;

[tex]\implies M = m_pZ +m_n (A-Z) [/tex]

Then the mass defect would be ,

[tex]\implies\underline{\underline{\green{ \Delta M = [Zm_p + (A-Z)m_n - M ] }}} [/tex]

where ,

[tex]Z [/tex] = atomic number[tex] A[/tex] = mass number[tex] m_p [/tex] = mass of a proton[tex] m_n [/tex] = mass of a neutron

_______________________________________

Now we know that the Atomic number of Nitrogen is 7(Z) and its mass number is 14(A) .

Now substitute the respective values,

[tex]\implies \Delta M = 7(1.007825) + (14-7)1.008665 - 14.0031 \\ [/tex]

[tex]\implies \Delta M = 7.054775 + 7(1.008665) - 14.00 31 [/tex]

[tex]\implies \Delta M = 7.054775 + 7.060655 - 14.0031 [/tex]

[tex]\implies \Delta M = 14.11543 - 14.0031 [/tex]

[tex]\implies \underline{\underline{\green{ \Delta M = 0.11233 \ u }}}[/tex]

Hence the mass defect is 0.11233 u .

Also this mass defect appears as energy which is responsible for the binding of nucleons together.

and we are done!

Please answer the following.

Answers

Answer:

[tex] \sqrt{4 \times 5 + \sqrt{4 \times 9} } [/tex]

What is cos(A)? please explain

Answers

Answer:

cos(A) = adjacent side / hypotenuse

= 4/5

Answer:

[tex] \small \sf \: cos ( A ) = \green{ \frac{ 4}{ 5}} \\ [/tex]

Step-by-step explanation:

[tex] \small \sf \: cos ( A ) = \frac{ adjacent \: side }{ Hypotenuse} \\ [/tex]

Where, we have given

adjacent side is 4 Hypotenuse is 5

substitute the values that are given

[tex] \small \sf \: cos ( A ) = \green{ \frac{ 4}{ 5}} \\ [/tex]

pls help! show your work!
(3sqrt4)/(3sqrt5)

Answers

Answer:

3sqaure root 100/5

Step-by-step explanation:

It would look like this picture Below

According to records, the amount of precipitation in a certain city on a November day has a mean of inches, with a standard deviation of inches. What is the probability that the mean daily precipitation will be inches or less for a random sample of November days (taken over many years)

Answers

Answer:

The probability that the mean daily precipitation will be of X inches or less for a random sample of n November days is the p-value of [tex]Z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex], in which [tex]\mu[/tex] is mean amount of inches of rain and [tex]\sigma[/tex] is the standard deviation.

Step-by-step explanation:

To solve this question, we need to understand the normal probability distribution and the central limit theorem.

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Mean [tex]\mu[/tex], standard deviation [tex]\sigma[/tex]

n days:

This means that [tex]s = \frac{\sigma}{\sqrt{n}}[/tex]

Applying the Central Limit Theorem to the z-score formula.

[tex]Z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

What is the probability that the mean daily precipitation will be of X inches or less for a random sample of November days?

The probability that the mean daily precipitation will be of X inches or less for a random sample of n November days is the p-value of [tex]Z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex], in which [tex]\mu[/tex] is mean amount of inches of rain and [tex]\sigma[/tex] is the standard deviation.

A trailer is 22 feet long. 9 feet wide,
and 7 feet high. What is the volume of
the trailer?

Answers

Answer:

1386

Step-by-step explanation:

22 × 9 × 7 = 1386 cubic feet

V= L x W x H = 22x9x7 = 1386

in which quadrant or axis will the poit lie if...​

Answers

Step-by-step explanation:

a.fourth quadrent

b.third quadrent.

Nikki grows 20 tomato plants.
She measures their heights to the nearest centimeter and writes them down.
15 14 12 17 18
11 16 14 21 19
10 16 16 13 17
9 15 20 19 9
Complete the frequency table.

Answers

Answer:

I found answer

Step-by-step explanation:

1) 9

2) 12

3)15

4)20

Rafael ate one-fourth of a pizza and Rocco ate one-third of it. What fraction of the pizza did they eat?

They ate

Answers

Answer:

7/12

Step-by-step explanation:

They ate  1/4  and 1/3

1/4 +1/3

Get a common denominator

1/4 *3/3 + 1/3 *4/4

3/12 + 4/12

7/12

PLEASE HELP! I'm lost. :(

In 2005, 1,475,623 students heading to college took the SAT. The distribution of scores in the math section of the SAT follows a normal distribution with mean
µ = 520 and population standard deviation = 115.

What math SAT score is 1.5 standard deviations above the mean? Round answer to a whole number.

Answers

Answer:

A math SAT score of 693 is 1.5 standard deviations above the mean

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean µ = 520 and population standard deviation = 115.

This means that [tex]\mu = 520, \sigma = 115[/tex]

What math SAT score is 1.5 standard deviations above the mean?

This is X when [tex]Z = 1.5[/tex]. So

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]1.5 = \frac{X - 520}{115}[/tex]

[tex]X - 520 = 1.5*115[/tex]

[tex]X = 693[/tex]

A math SAT score of 693 is 1.5 standard deviations above the mean

If f(x) = 3x⁴ - 13x, find f(-2)​

Answers

Answer:

answer is

74....................

PLEASE HELP ME WITH THIS ONE QUESTION
If Linda is at the store and can buy any two fruits (the store sells apples, oranges, pears, bananas, and kiwis), how many combinations of fruit can she choose?
A) 25
B) 3
C) 10
D) 15

Answers

Answer:

option C

Step-by-step explanation:

Total number of items = 5

Number of items to choose = 2

Therefore, the number of combinations is

                                                       [tex]5C_2 = \frac{5 \times 4}{1 \times 2} = 10[/tex]

21(2-y)+12y=44 find y​

Answers

Answer: y= -2/9
Explanation:
21(2-y)+12y=44
42-21y+12y=44
42-9y=44
-9y=2
y=-2/9

Answer:

[tex]\textbf{HELLO!!}[/tex]

[tex]21\left(2-y\right)+12y=44[/tex]

[tex]42-21y+12y=44[/tex]

[tex]~add ~similar\:elements[/tex]

[tex]42-9y=44[/tex]

[tex]Subtract~42~from~both~sides[/tex]

[tex]42-9y-42=44-42[/tex]

[tex]-9y=2[/tex]

[tex]Divide\:both\:sides\:by\:}-9[/tex]

[tex]\frac{-9y}{-9}=\frac{2}{-9}[/tex]

[tex]y=-\frac{2}{9}[/tex]

----------------------

hope it helps...

have a great day!

Find all solutions to the equation.
cos^2 x +2cosx+1=0

Answers

[tex]x= \pi[/tex]

Step-by-step explanation:

[tex]\cos^2x+\cos x+1=0[/tex]

Let [tex]u= \cos x[/tex]

Then [tex]u^2+2u+1=(u+1)^2=0[/tex]

or

[tex]\cos x = -1[/tex]

This gives us [tex]x= \pi[/tex] or all integer multiples of [tex]\pi (n \pi)[/tex]

Which best explains whether or not ABC = LMN?

Answers

Answer:

If I've done it right the answer should be A, the figures are congruent because a 270 rotation about the origin a d a reflection of the x-axis

For the following right triangle find the side length x

Answers

Step-by-step explanation:

everything can be found in the picture

Answer:

x=15

Step-by-step explanation:

Hi there!

We're given a right triangle with the measures of the 2 legs (sides that make up the right angle). We're also given the measure of the hypotenuse (the side opposite to the right angle) as x

We need to find x

The Pythagorean Theorem states that if a and b are the legs and c is the hypotenuse, then a²+b²=c²

Let's label the values of a, b, and c to avoid any confusion first

a=12

b=9

c=x

now substitute into the theorem

12²+9²=x²

raise everything to the second power

144+81=x²

add 144 and 81 together

225=x²

take the square root of 225

15=x (note: -15=x is technically also an answer, but since lengths cannot be negative, it's an extraneous solution in this case)

Therefore, the side length of x is 15

Hope this helps! :)

what percentage is the following 3 upon 4 of 3 upon 8​

Answers

Step-by-step explanation:

the answer is in the image above

Step-by-step explanation:

3/4×3/8

9/32

9/32×100

~28%

Other Questions
Read the excerpt from Silent Spring. On the farms the hens brooded, but no chicks hatched. The farmers complained that they were unable to raise any pigsthe litters were small and the young survived only a few days. The apple trees were coming into bloom but no bees droned among the blossoms, so there was no pollination and there would be no fruit. The repetition of the word "no" in this excerpt helps create a tone of All of the following are useful blending tools when creating pencil drawings, except which? Why might an environmental interest group want to conduct a public opinion poll? Nicole is looking at a map of her neighborhood she notices the mall is 30 miles south of your house and that the grocery stores 40 miles east of her house how far apart are the mall and the grocery store? What is the radius of a sphere with a volume of 11411 m ^3 to the nearest tenth of a meter Which statement is true about adaptable workers?A) They adjust to changes in the workplace easily.B) They know ways to manage stressful situations.C) They apply the cycle of inquiry to solve problems.D) They make decisions with logic and reason. put these numbers in order of size, smallest to largest 4.5,-1,-3,-3.5,3 the central processing unit(CPU)is responsible for processing all information from program run by your computer. Please help Ill give brainliest Write a short note or message to a friend telling him or her the best way to get to your house from the train station. Remember that when you write notes you don't always need to use the following: articles, pronouns, auxiliary verbs and polite forms. Help plz this is really hard for me The hyrbrid automobile grew out of automobile designers' realization that there were changes in the legal environment regarding automobile emissions to which they need not comply.a. Trueb. False Examine a center for disease control the force acting normally per unit area on the surface of the body is known as 18 = [(-2) + (-1)] = 6 (-24)(-6)giving out brainliest Read this excerpt from "The Medicine Bag.Nothing bothered Cheryl about bringing her friends to see Grandpa. Every day after school started, thered be a crew of giggling little girls or round-eyed little boys crowded around the old man on the patio, where hed gotten in the habit of sitting every afternoon.Grandpa would smile in his gentle way and patiently answer their questions, or hed tell them stories of brave warriors, ghosts, animals; and the kids listened in awed silence. Those little guys thought Grandpa was great.Which statement best describes a symbol in this excerpt?Cheryl is Martins younger sister.Cheryl represents childhood innocence.The little kids are curious about Grandpa.The little kids represent warriors and ghosts Can someone help me with this.:) A bakery sells 5 apples muffins for every 2 bran muffins sold. Which table shows this ratio? How did the turmoil in Kansas reflect the struggle facing the entire country? What is the equation of the line shown?