Answer:
Basically, it is asking, of the 4 expressions given, which one is true?
"C" is the answer.
9 (3r -4) when multiplied equals 27r -36
Step-by-step explanation:
The independent variable is the number of sweatshirts sold so it is answer A.
(Money raised is the dependent variable because it depends on the number of sweatshirts sold.)
Yes they are correct.
At least I'm pretty sure they are:)
Answer: 
Step-by-step explanation:
Given
area of the rectangle is 
Suppose width is given by w
So, length is 
The area of a rectangle is 
putting values

length is 