Answer:
25
Step-by-step explanation:
3 x 3 = 9
4 x 4 = 16
9 + 16 = 25
6 y = mx + b
7. m
8. b
9a m = 4 (slope), b = 12(yintercept)
9b -1. 4
9c 8. 21
9d 12. 9
1200 I THINK