The answer to your inequality is 
Janette's sister charger $5.50 per hour before 9:00 p.m for babysitting and $8 per hour after 9:00 p.m she finished babysitting
1 answer:
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Area of a semicircle = 
r² / 2
r= 5/2 = 2.5
So: A= 3.14 x 2.5² / 2 A = 9.8125 so rounding to the nearest hundredth is A=9.81
r= 5/2 = 2.5
So: A= 3.14 x 2.5² / 2 A = 9.8125 so rounding to the nearest hundredth is A=9.81