Astudent has some $1 and $5 bills in his wallet. he has a total of 15 bills that ar worth $47. how much of each type of bill does he have

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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.

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income