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)πr³ and A = 4πr²?
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How many ways can 3 students be chosen from a group of 10 to form a committee?
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What is the length of the side opposite a 45° angle in a triangle with two known sides measuring 4 cm and 6 cm?