;w; Thank you in advance! :3 The price of a piece of lumber in 2019 was $4. In 2021 is $8.50. By what percentage did the price of lumber increase?

Is the figure congruent? yes or no?

What’s the answer ? use the picture to see the problem

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.