Answer:
It should be D because I have done that a couple days ago
Well if the flat fee is $4 and you pay $2 per mile and she spent a total of $32, the answer would have to be 14 miles
Parameterize
by

with
and
.
Then the surface element is

and the surface integral is

Mean: 48.7
Median: 38
Mode:55
807 divided by 7 = 115.2857143