Solve a - 3*z + 13 = 0, 2*z + 61 = 69 for a.
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What is the h'th term of -6, 22, 72, 150, 262?
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What is the n'th term of -267, -292, -347, -444, -595?
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What is the k'th term of 7944, 15886, 23828?
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What is the q'th term of 9, 28, 59, 102?
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What is the d'th term of 8, 7, 6, 5, 4, 3?
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What is the k'th term of 111, 115, 121, 129?
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