What is the result of adding 27 to 85 and then multiplying the sum by 3?
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What is the limit of (2x^3 - 5x + 1) / (x^2 + 3x + 2) as x approaches -1?
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Find the length of the major axis of an ellipse with a vertical major axis, when the coordinates of the foci are (0, ±9) and the distance between a focus and a vertex is 15.