In ΔMNO, the measure of ∠O=90°, OM = 1.7 feet, and MN = 8.8 feet. Find the measure of ∠N to the nearest tenth of a degree.

Which answer is it for it to be simplified completely?

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

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).