The two numbers are -4 and -5.
20 total marbles....7 are green
probability on first draw is 7/20...and since the marble was not replaced, the probability on the second draw is 6/19. And since they cant happen at the same time, we multiply
7/20 * 6/19 = 42/380 which reduces to 21/190
Answer:
Step-by-step explanation:
All the points if they lay on top of eachother
if they arent on top of eachother, they can intersect at 2 points
