Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 9 mi2

i got 86 for this

hope this !

if you need an explanation just ask

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

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because parallelagram have all 4 angels the same size dependeing and a rectangle and square are oth parallelogram