Answer:
3 miles
Step-by-step explanation:
1 per hour = 60 minutes=> (18 x 10)/60 = 3 miles
18 miles..................60 min
18/60= 0.30 miles/ min
10 minutes 0.30*10=3 miles
Either one: the two line have a point in common, or infinite: they are the same line.
I believe its -8
