How is much is 4 1/4 quarts in cups?

Which expression is the factored from of 2/3x + 4?asap

A(t)=728(1+0.04)^t how much money did aditya originally invest

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.