What is the derivative of f(x) = sin(cos(x^2)) with respect to x?
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Math Question: Solve for x: log(base 2)(2^3x) = 4
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What is the average number of pets owned by each student in a class if the data is as follows: 4 students own 2 pets each, 6 students own no pets, and 5 students own 1 pet each?