What is the sum of the mixed numbers 2 ½, 3 ⅔, and 4 ¾? Factoring numbers: Find the prime factorization of 144. Real numbers: What is the square root of 169?
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What is the extreme value of the function f(x) = x^2 - 6x + 9 on the interval [0, 5]?
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What is the imaginary part of the product of (3 + 2i) and (-4 - i)?