9×6-5(10-3) what is this answer

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

The product of 3 and a number increased by 8 is 31 written as an equation