Which expression finds the measure of an angle that is coterminal with a 300° angle? 300° – 860° 300° – 840° 300° – 740° 300° – 720°

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Find the area of the regular hexagon if a side is 20 cm.

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).