What is the probability that a randomly selected student prefers reading over watching TV, given that there are 20 students who prefer reading, 30 students who prefer watching TV, and altogether 100 students?
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What is the vertex form of a parabola function, where the vertex has coordinates (h, k), and a is the coefficient of the quadratic term?
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Math Question: What is the second-order derivative of the function f(x) = 3x^4 - 2x^3 + 5x^2 - x + 2?