The charge for ice skating is $3 for the skate rental and $2 per hour to skate. how much will you pay if you skate for:

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 are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

Jenny made a scale drawing of a city. the scale she used was 5 inches = 1 yard. what is the scale factor of the drawing?