Solve -65*r + 70*r = 15, -5*r + 18 = p for p.
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What is the g'th term of 268, 279, 278, 259, 216?
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What is the u'th term of 654, 1310, 1966, 2622, 3278?
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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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