4. Caleb is playing outside when he discovers a cylindrical well about 6 feet across. He is not sure how deep it is, so he decides to get a hose and fill it up. He puts about 400 cubic feet of water in the cylinder. About how deep must it be
(height)?
A. 10 feet
B. 5 feet
C. 14 feet
D. 113 feet

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.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?