Hamish has $25.97 in his pocket to spend at the craft store. He wants to buy a paint canvas and some paint pens. How many paint pens, p, can Hamish buy?

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?