Mark is getting ready for the baseball season. an hour of time in the batting cage costs $12. for each 5 hours he receives one free hour. if mark spent $180 at the batting cage last month, how many free hours did he receive?

Sorry guys but as you have a small brain

Find the difference (8ab+a+2) - (3ab+6)

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?