There were 12 pink, 7 purple, and 9 yellow flowers in a vase. You randomly choose a flower from the vase to take home. Your friend randomly chooses another flower from the vase to take home. What is the probability that you choose a purple flower and your friend chooses a yellow flower?  
A. 1/15     

B.  1/12  
C. 1/8         

D.  1/7

19. What is the probability of picking a green and a black jelly beans from a bag of 2 green, 2 yellow, 4 black, and 4 red with replacement?
A. 8/132 or  2/33
B. 16/144 or  1/9
C. 8/144 or  1/18
D. 4/144 or  1/36