What is the standard deviation of a set of numbers: 5, 8, 12, 15, 18?
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Question: In a triangle, if the sum of the measures of two angles is 90Β° and the lengths of the sides are 6 cm, 8 cm, and 10 cm, what type of triangle is it?
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Math question: What are the solutions of the quadratic equation x^2 - 5x + 6 = 0?