Whats 2x3= PLEASE HELP

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

An equation where variables are used to represent known values—function notation true or false

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?