What is the average number of books read by 25 students in a year if 5 of them read 10 books, 10 of them read 7 books, and the other 10 students read 5 books?
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What is the derivative of f(x) = 3x^4 - 8x^2 + 2x - 5 using the power rule and the constant rule?
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Math question: In a circle, the measure of the central angle is 60°. What is the measure of the inscribed angle it intercepts?