Judging from past basketball games ,the probability that you make a free throw is 4/5

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation