Question

Can i get help I'm struggling right now

Answer 1

A

Explanation:

You do 7a+2a=9a because you would have to give an a to each number with using distributive property

Answer 2

7a+2a=9a

Explanation:

You distribute the a to each of the numbers in the parenthesis. Which means that you multiply. You should be left with a 7a+2a. Then since 7+2=9, your answer is 9a. So answer 1 is correct because they do these exact steps.