Solve 55*r - 14 = 60*r + 4*y, 22 = -3*r + y for r.
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What is the k'th term of -8, -25, -78, -185, -364, -633?
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What is the y'th term of -11, -10, -9?
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What is the f'th term of -7, 3, 35, 101, 213, 383, 623, 945?
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What is the z'th term of -53, -56, -55, -44, -17, 32?
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What is the k'th term of -1099, -1096, -1093, -1090, -1087?
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What is the z'th term of 225, 928, 2107, 3768, 5917, 8560?
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