#### Answer

A. $6y+24 $

#### Work Step by Step

The perimeter equals the lengths of all of the sides added up. Thus, we obtain:
Perimeter= $9+15+6y=6y+24$.

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

A. $6y+24 $

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