Question: What is the volume of a sphere with radius r and the surface area of a sphere with radius r in terms of the formulas V = (4/3)ΟrΒ³ and A = 4ΟrΒ²?
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Math question: Find the sixth derivative of f(x) = 3x^4 - 2x^3 + 5x^2 - 7x + 1.
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What is the length of a side in a square with an area of 169 square units?