Abirds nest is 12 feet above the ground. a moles den is 12 inches below the ground. what is the difference in the height of these two positions

Fast phone couldn’t copy and paste so i decided to right it down

5/6+7/8what is the answer sealsdbdbshd

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?