Two trains, Train A and Train B, weigh a total of 249 tons. Train A is heavier than Train B. The difference of their weights is 215 tons. What is the weight of each train? Train A weighs nothing tons.

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

The only way to identify an intercept is as an ordered pair. true false

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.