The correct answer is choice d because you would divide x by 2 to get 70. then you do the same with y so 35/2 = 17.5
There are 20 C3 possible ways to choose 3 books to read.
There are 5 C3 possible ways to choose 3 mysteries to read.
The probability that Mariah will not choose all mysteries can be expressed as 1-5C3/20C3. (These 3 Choices Are True)
There are 1 C3 possible ways to choose 3 books that are not all mysteries.
The probability that Mariah will choose 3 mysteries can be expressed as 1/5C3.
(These 2 Choices Are False)
Hope This Helps
I think it’s just A the rest all come out with -12 after being distributed
A-b=c
one answer is
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