Pleaseee help me asap

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

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?

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6