What is the equation of an ellipse with a major axis parallel to the x-axis, a center at (h, k), semi-major axis of length a, and semi-minor axis of length b?
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Math question: Find the limit as x approaches 3 of (2x + 5) / (x - 3)
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What is the area of a triangle with side lengths 5, 12, and 13 using Heron's Formula?