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Airuy
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THANKS NICK with your help i was able to solve my problem. Appreciate it! For the arithmetic sequence beginning with the terms {9, 14, 19, 24, 29, 34 ...}, what is the sum of the first 23 terms D=5 9+5(N-1) 9+5 (4-5) 9+5 (23-1)= 4+5(23) = 4+207
