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
A
plug in x = -1 to both sides and you get 1 as the answer for both sides.
Answer:
24
Step-by-step explanation:
I got 155♀️ I don’t know cause I did PEMDAS and got 155
Thats easy 10 hope this helps
