Math question: Find the value of sin(x) when x = 45°.
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What is the square root of 85 multiplied by the square root of 20, rounded to three decimal places?
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Question: The scores of 20 students in a math test were: 85, 90, 78, 88, 92, 89, 85, 86, 91, 89, 85, 88, 83, 90, 92, 88, 85, 90, 89, 87. What is the mean, mode, median, range, and average of the scores?