What is the product of x and y if x = 5 and y = 3, according to the Product Formula?
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What is the maximum value of the tangent function within the interval [0, Ο/4]?
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Find the square root of 144 and add it to the square root of 225. Subtract the square root of 64 and multiply it by the square root of 36. Then, divide the result by the square root of 169. Round the answer to two decimal places.