Answer:
>60
Step-by-step explanation:
The difference in miles is 0.25 per mile. Because there is 15$ difference in initial payment then after 60 miles (60x0.25=$15) A will be better option. At $60 A and B are same and lower than B is better
1. Do rise, over run
2. y2-y1 / x2-x1
5 : 30
Note that × 10 = 5
Thus 3 × 10 = 30
Hence
: 3 = 5 : 30
A = A
F = B
I don't know of the others