Solve 5*f - 17 = 3*k - 5, -5*f - 5*k = 20 for f.
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What is the g'th term of 2, -2, -6, -10?
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What is the i'th term of -4, -21, -42, -61, -72?
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What is the v'th term of 92, 175, 242, 281, 280, 227, 110?
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What is the i'th term of 411, 404, 385, 348, 287, 196, 69?
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What is the i'th term of 9, 9, 19, 45, 93, 169, 279?
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What is the y'th term of 83, 160, 239, 320?
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