The 1st term of an arithmetic sequence is 8 and the 21st term is 108. Find the

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The 1st term of an arithmetic sequence is 8 and the 21st term is 108. Find the 7th term.
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College Algebra Graphs and Models

ISBN: 978-0321845405

5th edition

Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna

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