Math question: Find the absolute extrema of f(x) = x^3 - 6x^2 + 9x + 2 on the interval [-2, 4].
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Question: In a circle with a radius of 6 cm, if two intersecting chords are 8 cm and 10 cm, what is the distance between their intersection point and the center of the circle?
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What is the average number of hours spent on homework per week by a class of 30 students?