The equation y=−5/2x+15 represents the number of remaining chapters, y, in Megan’s book after she reads x hours. What does the slope represent?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

How many terms does the polynomial x^2 y^2 have