PLEASE HELP WHEN YOU GET A CHANCE! :)
Given that ΔABC : ΔDEF, AB/DE = BC/EF , and the ratio of AB to DE is 1/3, which of the following could be the lengths of BC and EF?


BC = 3; EF = 12

BC = 3; EF = 10

BC = 4; EF = 6

BC = 3; EF = 9
please explain how you got it!!!

Answer:

BC=3,EF=9

Step-by-step explanation:

According to the question the ratio of BC/EF should be 1/3. The only pair that satisfy is BC=3,EF=9

-9/3 + b = -1
b = ?
Will give out brainlyist

If 33% of people chose vanilla and 19% chose chocolate as their favorite flavor of ice cream, what percent of people chose a flavor other than vanilla or chocolate

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Which of the following best defines Biodiversity?

a
the variety of different species in an ecosystem or on Earth
b
an individual organism
c
all the abiotic factors in a given area
d
the number of individuals of one species in a particular area
Question 2 (3 points)
Which of the following is NOT one of the 3 levels of biodiversity?

a
Universe diversity
b
Ecosystem diversity
c
Genetic diversity
d
Species diversity
Question 3 (3 points)
Which of the following best defines species diversity?

a
The variation in all the different types of ecosystems (or biomes) found on Earth.
b
The variation in genes that exists within a species.
c
The number of species and abundance of each species that live in a particular location.
Question 4 (3 points)
Which of the following best defines genetic diversity?

a
The variation in genes that exists within a species.
b
The variation in all the different types of ecosystems (or biomes) found on Earth.
c
The number of species and abundance of each species that live in a particular location.
Question 5 (3 points)
Which of the following best defines ecosystem diversity?

a
The number of species and abundance of each species that live in a particular location.
b
The variation in genes that exists within a species.
c
The variation in all the different types of ecosystems (or biomes) found on Earth.
Question 6 (3 points)
What are ecosystem services?

a
services that ecosystems provide where they will remove all the trash in your home.
b
ecosystems that are pretty to look at.
c
a processes where ecosystems become cleaner and cleaner every day.
d
processes or services provided by biodiversity that help make daily life more livable for humans.
Question 7 (12 points)
There are four major categories of ecosystems services that biodiversity provides: Provisioning Services, Regulating Services, Cultural Services, and Supporting Services.

Match each of the 4 types of ecosystem services to its correct definition. Next to each number 1-4 you will type the letter (a, b, c, or d) of the answer choice that matches.

Column A
1.
Provisioning Services

:
Provisioning Services

2.
Regulating Services

:
Regulating Services

3.
Cultural Services

:
Cultural Services

4.
Supporting Services

:
Supporting Services

Column B
Column B
a.
Non-material benefits that help the culture and advancement of people and help shape our culture, such as providing a place to practice creativity through music, art or recreation.

b.
The very basic services that exist naturally allowing ecosystems to thrive such as the water cycle, photosynthesis, soil creation, and nutrient recycling.

c.
Processes provided by nature that benefit the Earth and people such as pollination, decomposition of dead organisms, prevention of soil erosion, or water purification.

d.
Any type of benefit to people that can be taken from nature, such as food, water, timber, or medicine.

350% of 69 is what number

please help
1. The product of eleven times a number less than 12
A. 11n - 12
B. 12 - 11n
C. 12n - 11
D. 11(n - 12)

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Use the distributive property to create an equivalent expression to the equation 9(2j + 5j).

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Which of these describes a ray?

Question 3 options:


Extends in both directions with no end


A part of a line that connects two endpoints


Has a start point but no endpoint


An exact location that has position but no size

proof that ur lying.

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Use the distributive property to rewrite (5x + 3)(2) as a sum of two terms.

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Pepino’s pizza charges $8 for medium pizza plus $2 for each topping. How many toppings are on a medium pizza that costs $20?

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Steve has two cans containing biscuit dough. The cans are cylindrical and their dimensions (in inches) are as follows.
• Can A: h = 10 and r = 0.6
• Can B: h = 5 and r = 1.2

Which of the following statements about the volumes of the cans is true?
A. The volume of can A is twice the volume of can B.

B. The volume of can B is twice the volume of can A.

C. The volumes of the two cans are equal.

D. The volume of can A is four times the volume of can B.

Alfred spends 7 hours doing work outside each week as part of his chores. For every extra hour he spends working outside beyond
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OA.
$13
ОВ.
$91
OC.
$140
OD
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Here’s a clearer picture person who answered

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Jeordie spreads out a rectangular blanket with an area of 42 square feet. Its width is 6 feet. Which equation could you use to find its length? (Area = bh)