#### Answer

r

#### Work Step by Step

The 7 in the numerator and denominator simplify to 1, so 7($\frac{1}{7}$r) = r

Published by
Pearson

ISBN 10:
0321726391

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

r

The 7 in the numerator and denominator simplify to 1, so 7($\frac{1}{7}$r) = r

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