A rectangular prism is made of 81 unit cubes. The prism is 9 unit cubes long. Choose two sets of numbers that could be the width and the height of the rectangular prism.
A width: 3 unit cubes
height 3 unit cubes
Width 6 unit cubes
height 12 unit cubes
Cwidth: unit cubes
height 7 unit cube
width: 18 unit cubes
height 4 unit cubes
OE with 24 unit cubes
height 3 unit cubes

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.