Donald ran the mile in the all-state competition. One mile is 5,280 feet, and one meter is approximately 3.28 feet. About how many meters did Donald run?

What is the measure of ac? 5 units 13 units 26 units 39 units

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).

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .