What is the derivative of f(x) = 3x^2 + 4x - 5 at x = 2?
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Question: In triangle ABC, the angle bisector of angle B divides the opposite side AC into segments of length 4cm and 6cm. What is the length of side BC?
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What is the value of the unknown angle in a triangle if the other two angles measure 40 degrees and 70 degrees?