Answer:
A = . r^2
If A = 9ft^2
. r^2 = 9
ft^2
r^2 = 9ft^2
r = sqrt(9ft^2)
r = 3ft ( r>0)
Step-by-step explanation:
A baseball stadium charges $8 handling fee per ticket. It also charges a single $2.50 handling fee when purchasing 8 or fewer ti
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