What is the length of segment ab? ( )

Solve for x, y, and z. show all steps.

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.

Somone me i want to know what 18 hours out of 24 hours in a fraction