Tickets to a band concert cost $ 10 each. The equation y = 10x represents the total cost, y, of x tickets. Which graph shows ordered pairs represented by this equation?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.