The total price of admission to a museum for 15 friends was $97.95 plus $8.40 tax. if each person paid in equal share, how much did each of them pay? show all your work

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.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?