Michelle buys a rug for $36 and sells it for $90. what was the value of her markup, expressed as a percent?

40%

54%

60%

150%

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).

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Are the corresponding angles congruent? explain why or why not.