Answer:
y-intercept = 1
Step-by-step explanation:
y = -3x + b
(1 , -2)
Plugin the equation
-2 = -3*1 + b
-2 = -3 + b
-2 + 3 = b
1 = b
(x,y,z)=(-4,-2,-5)
I added some images for explanation
1/25
5^-2=1/5^2
1/5^2=1/25
Rectangle