What is the probability of drawing a spade card from a standard 52-card deck?
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What is the amplitude of the function y = 3sin(2x) in radians?
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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.