4000.0093979 = 63.2456275
-15999998
= 8.7
Then you get 50
You are looking for the average. To find the average, one adds all terms and divides by the number of terms.
((1/2)+(5/6))/2
((3/6)+(5/6))/2
(8/6)/2
(4/6)
(2/3)
The answer is B) 2/3.
The formula of a cirumference of a circle:

r - radius
We have r = 10. Substitute:

<h3>Answer: C = 20π</h3>
First multiply 60 x 6 x 45 = 16,200
Then divide, 16,200/350=46.2857