Answer
9
Work Step by Step
19-2($3^{2}$-$2^{2}$)
=19-2(9-4)
=19-2$\times$5
=19-10
=9
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Review - Page 93: 101
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