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Mathematics, 27.05.2021 14:00 dianamunoz580
What is the first term of a 14-term arithmetic sequence where the last term is −12 and the sum is 42?
A. 6
B. 7
C. 13
D. 18
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What is the first term of a 14-term arithmetic sequence where the last term is −12 and the sum is 42...
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