Jason has a handful of dimes and quarters. There are a total of 22 coins. If the total value of the coins is $3.55, how many quarters does he have

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?

15/16 as a decimal rounded to the nearest hundredth

Ihonestly have no clue if it's each or none.