Please answer this question. Your explanation does not need to have that much effort put into it. This is a 10 point question.

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.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Jane has 5 nickels.john has 3 dimes.jane says she has a greater amount of money.with the information given,is she correct?