Elvira can purchase ready-made pizzas for $14.50 each. if she makes them in the cafeteria, she can spend $44.20 on ingredients and $6.25 per pizza on labor. for how many pizzas is it cheaper for the cafeteria to make the pizzas themselves rather than buy them ready-made?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min