Math question: Find the limit as x approaches 3 of (x^2 + 2x - 1) / (x - 3).
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What is the value of the median, in a set of 9 numbers, given that the sum is 450?
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What is the equation of the hyperbola with center at (2, -3), vertical transverse axis, vertices at (2, -1) and (2, -5), and foci at (2, 0) and (2, -6)?