Answer
$10$
Work Step by Step
We have $\sqrt {81}- 4(2) + 9$
Solving $$9-8+9 = 10$$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapters 1-10 - Cumulative Review Exercises - Page 757: 11
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