From what i see, i guess the answer may be B. it looks like it, but i dont really know.
Honestly I don't know that is a really hard question
35/12. When you multiply the operation this is the answer you get.
Answer:

Step-by-step explanation:
By definition if two events are mutually exclusive then they are disjoint events, that is, they can not occur at the same time.
In general terms we say that events are mutually exclusive, then:

In this case we have that

But A and B are mutually exclusive events, then 
The answer to the question is 11/14