How many time can 90 go to 40

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?