Math question: What is the result of factoring the mixed number 3 1/4, multiplying it by the real number 2.5, and rounding to the nearest whole number?
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Math question: In circle O, angle AOB is a right angle. If angle AOC is 70°, what is the measure of angle BOC?
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Math question: Find the value of f(x) = 2x^2 + 3x - 4 when x = 2.