#### Answer

$112^{\mathrm{o}}$ F

#### Work Step by Step

To find the difference between the two temperatures, we subract them:
$90^{\mathrm{o}}-(-22^{\mathrm{o}})$
$=90^{\mathrm{o}}+22^{\mathrm{o}}$
$=112^{\mathrm{o}}$ F

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$112^{\mathrm{o}}$ F

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