a) means what is the probability of P occurring once Q has occurred. That is 9/24 which is 3/8.
b) is 14/24 which is 7/12.
Please inform me if I gave you the correct answers :)
It would be D. If you add all the numbers (-18, -81, 144) and divide it by 3 then you would get -81. I hope I helped!
Using the Laws of Cosine, we obtain

, which c approximately equals 153.44. So Line AB ≈ 153.44 meters.
Answer:
I am not very sure but I think the probability will be 1/3 because there are only 3 primary colors and 4 secondary colors
Step-by-step explanation:
Hope this helped :)