#### Answer

$\frac{y\sqrt z}{15}$

#### Work Step by Step

$\sqrt \frac{{y^2z}}{225}=\frac{\sqrt {y^2}\sqrt z}{\sqrt {225}}=\frac{y\sqrt z}{15}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$\frac{y\sqrt z}{15}$

$\sqrt \frac{{y^2z}}{225}=\frac{\sqrt {y^2}\sqrt z}{\sqrt {225}}=\frac{y\sqrt z}{15}$

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