HELP PLEASE AND THANK YOU. The graph shows a scuba divers ascent over time. Use the graph to find the slope of the line. Complete the description of what the slope means in this context.

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your