Question: In triangle ABC, if AB = AC and angle B = angle C, what can be said about triangle ABC?
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What is the derivative of f(x) = x^3 + 2x^2 - 5x + 1?
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Question: What is the sum of the mixed numbers 2 1/3, 1 2/5, and 3 3/4 when expressed as an improper fraction? Evaluate by factoring the resulting numerator and denominator.