Pls help me with this question​

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?

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Find the dimensions of the circle. area = 64π in.² r= in.