For the inverse variation equation xyk, what is the constant of variation, k, when x = 7 and y
3
?

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

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