Answer
$59$
Work Step by Step
Since, we have for an arithmetic sequence:
$a_n=a_1+(n-1)d$
Here, $n=12,a_1=4, d=5$
Now,
$a_{12}=4+(12-1)(5)=59$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 11 - Test - Page 871: 4
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