The high temperatures at a park for 10 days are 40, 42, 41, 41, 43, 43, 44, 45, 44, and 45 degrees fahrenheit. what is the interquartile range of the data?

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