Answer:
Step-by-step explanation:
Answer: <u><em>A, because when x=1/-1 you don't need to write down the one meaning it is -x and then +2 is the y which means the full answer is y=-x+2</em></u>
P(Q|R) = P(Q&R)/P(R)
= (3/37)/(7/37)
= 3/7
The appropriate choice is ...
B. 3/7