A special truck cleans the surface of the ice rink shown. The figure is composed of a square and two semicircles. If the truck cleans the entire surface, how many square feet of ice will the truck clean? Use 3.14 for π . Round your answer to the nearest tenth.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

What is the measure of the smallest angle in the diagram? 15 29 32 45

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 ?