Answer:

Step-by-step explanation:
The given expression is: 
We multiply by the reciprocal of the second fraction:

We cancel out the common factors to get;
, where
and 
We simplify to get:

Answer:
y=-7x+22
Step-by-step explanation:
Answer:
45%
Step-by-step explanation:
First, let's set up a fraction of how much money she spent for fruit out of the total amount of money she spent.

For a percentage, we need a fraction out of 100. To do this, we can multiply the fraction by 5/5 (5*20=100). Notice we can only do this since 5/5 is equivalent to 1, so you are technically multiplying the fraction by 1.

A percentage is just the numerator of a number over 100 therefore it is equal to...
45%
It is C because 4 pi r^2 is the surface area equation. 4 times 6 squared= 144. 144pi = surface area.