Verified Answer :

dshinners

I am not positive but i think that its the last one.  Any one else???

col08

In this problem, it is asking you to find the circumference of the circle. The equation to the circumference of a circle is: Circumference=2πr. 
The radius is the length of the leash: 12
The equation you would have to follow is: C=2π(12) or C=2(3.14)(12)
The correct answer is: A.)74.5 feet.
Ella walked 74.5 feet

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