Barry put all of the tiles shown below into a bag, then randomly pulled out one round one and one square one. What is the probability that Barry drew two red tiles? Round tile: 21 blue, 5 green, 7 yellow, 3 red. Square tiles: 12 blue, 14 yellow, 9 red, 6 purple, 3 brown, 4 white, 12 green. a. 9/1,024 b. 1/15 c. 1/80 d. 3/80

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?

The surface area of the triangular prism is .

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.