What is the area of a square with sides measuring 10 units?
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What is the equation of an ellipse centered at (h,k), with horizontal radius a and vertical radius b?
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Find the square root of 144 and add it to the square root of 225. Subtract the square root of 64 and multiply it by the square root of 36. Then, divide the result by the square root of 169. Round the answer to two decimal places.