I think the answer would be, 1200000000
What is the question though
Slope is rise over run or change in y over change in x.
First, fourth and fifth choice
When you rotate the ef counter lock 180 degrees, the new line e'f' will have the same length as ef.
(10(1-(1/2)^5)/1-(1/2) =
20(1-1/32)
=155/8
