How many gallons of gas would it take to drive 13,500 miles? (URGENT)

What is the midpoint of the segment below? (-4,-7) (5,6)

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

Do you mind if you guys me with this question i’m on number 8