Question

If you can do 28 29 and 30 your the best

Answer 1

Step-by-step explanation:

30) (369+368) (369-368)

(737)(1)

737

29) x=-2 x=1

sub x value in equation

-8+10x4 -2m+n=0

2m-n =32----1

sub x=1

1+10+m+n=0

m+n=-11 ----2

by solving 1 and 2 we get

m = 7 and n = -18.

Answer 2

Answer:

Step-by-step explanation: