What is the answer to -24-1/8p=3/8p?

Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4

This is so hard and it’s for a test

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?