What is the standard deviation of a data set {2, 4, 6, 8, 10} using the formula √((∑(x - µ)²)/n) where µ is the mean of the data set?
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A math question for the characteristics of the quadratic function f(x) = x^2: Find the x-intercepts, vertex coordinates, and axis of symmetry for f(x) = x^2.
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Math Question: In a triangle ABC, side a has length 5, side b has length 7, and ∠C measures 60 degrees. Find the length of side c using the Cosine Law.