Abag contains 9 marbles: 4 are green, 2 are red, and 3 are blue. laura chooses a marble at random, and without putting it back, chooses another one at random. what is the probability that both marbles he chooses are red? write your answer as a fraction in simplest 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?

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height