Answer:
15
Step-by-step explanation:

248/4=62
62•7 1/2=465 miles
He will go 465 miles in 7 hours and 30 minutes
Probably y = 8x. 56 = 8(7), so that works. Without more data, I couldn't say if it could be something else, so that's what I go with.
The answer is B. 5
6+2=8
3+5=8
Depending on the length of the two sides of the triangle the length could be smaller than 1.
The answer that is not true is :
B. It is always greater than 1