What is the mixed number representation of 6 and 3/4 - 2 and 1/2? Factoring numbers, find the prime factors of 96. Real numbers: Is √61 a rational or irrational number?
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What is the sample variance of the dataset {2, 4, 6, 8, 10}?
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What is the limit as x approaches 0 of (sin x - x) / x^3 using L'Hospital's Rule?