Okay j have more math and again i'm so stressed rn if one of yo uh don't mind i promise i'll make it up 2 ya

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?

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.