#### Answer

9

#### Work Step by Step

19-2($3^{2}$-$2^{2}$)
=19-2(9-4)
=19-2$\times$5
=19-10
=9

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

9

19-2($3^{2}$-$2^{2}$)
=19-2(9-4)
=19-2$\times$5
=19-10
=9

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