I need help answering all of these

A)-7

B)2

C)-2

D)-4

Step-by-step explanation:

well the (a) is -3 and (c) is 2

Step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.