Question

PLZZZZ HELP THIS IS WORTH 40 POINTS PLZZZ
I’ll give extra points!!!

Answer 1

1) 15

2) 10

3) 11

4) -4

5) -8

6) 12

7) 14

8) -6

Explanation:

Substitute the values thats all lol, if u need a more detailed explanation just comment <3