Determine a 1 for the arithmetic sequence. a 8 = -15, a 18 = -85

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Determine a1 for the arithmetic sequence.

a8 = -15, a18 = -85

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College Algebra

ISBN: 978-0134697024

12th edition

Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

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