Math question: What theorem states that if a function is continuous on a closed interval [a, b] and F(x) is an antiderivative of f(x) on [a, b], then ∫[a, b] f(x) dx = F(b) - F(a)?
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What is the average weight of 5 students, given their weights in pounds: 120, 135, 145, 130, 150?
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What is the area of a circle with a radius of 8 cm?