What is the equation of a parabola with a vertex at (0,0) and a focus at (0,2) in terms of y?
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What is the value of x in the equation 2x^2 + 5x - 3 = 0?
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Question: A rectangular cake is divided into 6 equal slices. If Lucy eats 2/3 of a slice, what fraction, decimal, and percentage of the whole cake did she eat?