Math Question: Find the median of the following data set: 5, 8, 9, 12, 15, 17, 20
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What is the vertex form of a quadratic function if its vertex is at (-3, 4)? (Hint: The vertex form is given by f(x) = a(x-h)^2 + k, where (h, k) is the vertex)
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Math question: What is the rule for congruence of triangles regarding the sides and angles?