I’m sorry if I’m wrong but I do think your answer is X=22y^-1
Answer:
Step-by-step explanation:
<u>Total number of marbles:</u>
<u>There are two possibilities</u>
- Orange then green or green the orange
<u>The probabilities are:</u>
- P(o&g) = 2/10*2/9 = 2/45
- P(g&o) =2/10*2/9 = 2/45
<u>Required probability is:</u>
- P = 2/45*2 = 4/45 = 0.08889
Correct choice is C
That is why you have an education go to school and learn your anwer.
I am not sure about the last two phrases, but here's what I think.
2(n+18)
18(2+n)