Answer:
It should be -3/4
Step-by-step explanation:
I checked with another app
Y=5x + 8
The slope of a perpendicular like would be 5
y = 5x + B
-2 = 5(-2)+ B
-2 = -10 + b
b = 8
Answer: 2?
5m-8
sinθ = cos (90 - θ)