Given the parallelogram find the measure of

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 is the anwers for 9+2x=5x-3-x

If the discriminant if a quadratic equation is 4 which statement describes the roots?