What is the scale factor of this dilation?

Triangle A B C. Side A B is 6, B C is 10, C A is 6. Triangle A prime B prime C prime. Side A prime B prime is 9, side B prime C prime is 15, side C prime A prime is 9.
Two-thirds
1 and one-half
3
5

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.