Quadrilateral ABCD is an isosceles trapezoid with AB CD. If AB = w+14. BC= 2w+7. CD=4w +2, and AD = 3w-5, solve for w.
A 4
В. 12
C. 17
D. 31

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.

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Factor the polynomial by its greatest common monomial factor.