Given these 4 points, find the slope of side CD. * A (0,5)
B (3, 10)
C (6,8)
D (3, 2)

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?