Angel repairs used furniture he expects to use 48oz of wood filler this month. There are 16 Oz in 1 lb. How many pounds of wood floor does angel expect to use this month

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?