(3,3) is the point in which the 2 lines intersect
I believe the correct answer to your question would be choice B. The trail is no more than 6 miles long.
Not sure what 14 is asking?
15 would be 16.
The square root of width squared plus length squared equals the diagonal.
So if you just change the order of the equation you can find the length.
Double check it by doing it both ways to see if your answer is right.