Question: What is the area of a rectangle with length 12cm and width 5cm, combined with a circle of radius 3cm, subtracted by the area of a parallelogram with base 10cm and height 4cm?
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Math question: Find the factors of x^3 - 27 using the difference of cubes formula.
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What is the range of the function f(x) = cos(x) + sin(2x) over the interval [0, π/2]?