C(x)=0.3x^2-192x+40,357

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.

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x,y) ?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?