Im not sure but it could be 1/14
I think it is b hope it helps
It should be around 24.56 i rounded tho
If their call lasts 11 minutes the cost will be the same
We can use the points (-4, 3) and (3, 1) to solve.
Slope formula: y2-y1/x2-x1
1-3/3-(-4)
-2/7
Therefore, the answer is C
Best of Luck!