The area of the circle by definition is given by:

For f (r) = 154:

Clearing r we have:

For f (r) = 616:

Clearing r we have:
Answer:
a reasonable domain for f (r) is:
7 <r <14
Answer:
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Step-by-step explanation:
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They each would pay 2.55
12.75 divided by 5 = 2.55
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A because 750 times 12 because there is 12 months in a year. You get 9000