#### Answer

V=9

#### Work Step by Step

We use Euler's formula:
$$F+V=E+2 \\ 9+V=2+16 \\V=9$$

Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

V=9

We use Euler's formula:
$$F+V=E+2 \\ 9+V=2+16 \\V=9$$

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