Consider the equation: 3(–4n – 9) = 21 use the distributive property and properties of equality to solve for n.

Three coins are flipped. what is the probability that there will be at least two tails?

Me with this one question, and i'll upvote the brainliest answer

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?