Answer:
$147
Step-by-step explanation:
378 / 18 = 21
1 hour of work = $21
7 hours of work = $21 * 7 = $147
Explanation:
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Expand
=
Simplify
Mordancy.
m= 1/2
12in is you answer
The formula to find circumference is
so to rearrange to solve for radius that will be
=11.94in