Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 85 miles per hour. The westbound train travels at 65 miles per hour. How long will it take for the two trains to be 360 miles apart?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

What is the difference between the equations of a vertical and a horizontal line?