The image represents what geometric construction?

Plz me i need i will give a brain

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?

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?