Which verbal expression represents the phrase three less than five times a number? a. 3 - 5n c. 5n - 3 b. n - 3 d. 5 + n - 3

Ineed with number 17 i don’t get it at alll

If the measure of xyz is 81 what is the measure of yz

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.