Please Help lol a train leave the station and travels North at a speed of 45 km/h. Four hours later, a second train leaves on a parallel track and travels North at 105 km/hr. how far from the station will they meet?

please give me an answer in km and also one in hours if possible. ​

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation