contestada

1. A raffle prize of 14x^2/15 dollars is to be divided among 7x people. Write an expression for the amount of money that each person will receive.
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2. For a short time after a wave is created by wind, the height of the wave can be modeled using y = a sin 2pi t/T , where a is the amplitude and T is the period of the wave in seconds.

How many times over the first 5 seconds does the graph predict the wave to be 2 feet high?
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