Suppose a charity received a donation of $17.6 million. If this represents 21% of the charity's donated funds, what is the total amount of its donated funds? Round your answer to the nearest million dollars.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

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you meant circumference well the answer is:

17.27876 miles

area is 23.7583

the radius is 2.75 miles

hope this hmu if needed.