Question

Will mark as brainliest please help.

Answer 1

The first one is the answer to the first question.

the second one is the answer to the second question

Answer 2

Y = mx + b
m = -4
use point (8, -7) to find b
-7 = -4(8) + b
-7 = -32 + b
-7 + 32 = b
25 = b

y = -4x + 25
or
y + 4x = 25