Which side of A DEF is the longest?

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?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have