solve the following system of linear equation graphically 2x-3y-17=0 and 4x+y-13=0. shade the region bounded by the above lines and x-axis

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.