Solve 5*y + 18*q = 20*q + 19, -4*q + 22 = 2*y for y.
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What is the c'th term of -4, -15, -32, -55?
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What is the y'th term of 154, 329, 504, 679?
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What is the d'th term of 209, 224, 239, 254?
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What is the z'th term of 10, -7, -40, -95, -178, -295, -452?
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What is the i'th term of -2145, -2151, -2159, -2169, -2181?
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What is the v'th term of 108, 220, 332, 444, 556, 668?
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