I need help I’m a senior and it’s precalculus

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?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?