The radius of a semicircle is 8.4 meters. What is the semicircle's perimeter? Use 3.14 for i and round your answer to the nearest hundredth.
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If g(x) is an odd function, which function must be an even function?

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?

True or false look at the picture pls : /