What is the standard deviation of the data set {12, 18, 20, 14, 16}?
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What is the length of the unknown side in a triangle with an angle of 35 degrees, known side lengths of 8 and 10, using the Sine Law?
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What is the square root of 7 to the power of 3, multiplied by the square root of 12, divided by the square root of 5, plus the square root of 18 minus the square root of 2, all rounded to the nearest thousandth?