A and B are both true but if it needs to be proper it would be B.
Answer:

Step-by-step explanation:
Given [Missing]




The first transformation: reflection across the y-axis.
The rule is: 
So:
==>
==> 
==> 
==> 
Translation 2 units down
The rule is: 
So:
==> 
==> 
==> 
==> 
Hence:

Answer: 0.375
Step-by-step explanation:
Let G be the event that the chosen marble is green. Let
be the event that we choose Box i.
The probabilities of choosing a box are :

Now, 


By using the law of total probability, we have

The answer is mind blown.