What is the surface area of a rectangular prism with length 5 cm, width 3 cm, and height 2 cm?
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What is the relationship between the coefficient "a" in the parabola function y = ax^2 and the width of the parabola?
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What is the equation of an ellipse in standard form, if the major axis is vertical, the center is at (3, -2), the length of major axis is 10, and the length of minor axis is 8?