The area of the front side of the toy building is 1 square foot. The real building's front side has an area of 400 square feet. If we view the real building as a dilation of the toy, what is the scale factor? The scale factor is k =

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.