What is the value of x in the equation below?
-3-(-8)-(-2)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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?

Which expression is equivalent to 3^3 + 2^2?