Why the distributive property to factor out the greatest common factor 9+15 equals

How can constraints be used to model a real-world situation?

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

What is the value for this expression? 2e-5