Two bags of grass seed cover 1,500 square feet of ground. If Mitch's front yard is 1,850 square feet and his
back yard is 5,635 square feet, how many bags of
grass seed would he need to buy to completely cover
his front and back yard?

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?