Afreight train starts from los angeles and heads for chicago at 40 mph. two hours later, a passenger train leaves the same station for chicago traveling 60 mph. how long before the passenger train over takes the freight train?

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

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?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)