#### Answer

$-30$

#### Work Step by Step

Sum if an arithmetic series can be calculated as:
$a_n=a_1+(n-1)d$
Here, $n=12,a_1=-8, d=-2$
Now,
$a_{12}=-8+(12-1)(-2)=-30$

Chegg costs money, GradeSaver solutions are free!

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$-30$

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.