Find the slope (grade) of the treadmill if the rise is 0.7ft and the length is 2ft

Volume of a cylinder with a radius of 13 in and height of 30 in

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

What does x = in this equation x+3+2x=x+5