Solve 2*r + 3*p + 11 = 0, 2*r + 515*p - 517*p = 14 for r.
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What is the p'th term of 554, 1102, 1646, 2186, 2722, 3254, 3782?
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What is the z'th term of 86, 166, 246, 326, 406, 486?
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What is the w'th term of 201, 826, 1869, 3330, 5209, 7506?
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What is the a'th term of 3, -10, -57, -156, -325, -582, -945?
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What is the y'th term of 3, 14, 25, 36?
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What is the n'th term of 398, 817, 1236, 1655, 2074, 2493?
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