2 and 1/8 + 1 and 3/4

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?

Find the area of the unshaded square

What is negative 3/9 times negative 2/8 ?