Here the revenue and express for the mouth. Calculate whether Mia had profit or loss

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

The area (in square feet) of an x-foot-wide sidewalk can be modeled by y=-0.002x^2+0.006x.what is the width of the sidewalk to the nearest foot?