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Suppose A is a whole number and B is an irrational number. Is it possible for the product of AB to be a rational number? Explain why or why not.

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A small flare is launched off the deck of a ship. The height of the flare above the water is given by h(t)=-4.9^2+92t+9, where h(t) is measured in metres and t is time is seconds. a)When will the flare's height be 150m? b)How long will the flare's height be about...