What is the equation of an ellipse with a major axis on the x-axis, a minor axis on the y-axis, center at (h, k), and semi-major axis a and semi-minor axis b?
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How many ways can you arrange five different books on a shelf?
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What equation represents an ellipse with a major axis along the x-axis, a center at (h, k), semi-major axis length a, and semi-minor axis length b?