What is the length of the side opposite angle 𝜃 in a triangle with side lengths 7, 9, and 𝑥 where 𝜃 is the angle opposite side 𝑥?
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How many ways can I arrange the letters in the word "MATH" if repetition is allowed?
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What is the defining equation for an ellipse with a horizontal major axis, center at (h, k), semi-major axis of length a, and semi-minor axis of length b?