Answer:
I believe the reflection line will be on x=1
Step-by-step explanation:
I tend to eyeball the reflection line to make it symmetrical, if I'm not much of a help I apologize
Answer should be 5,6,8 if that is an answer choice
They are asking for the outcome of A and B, which means you need to include the results of both together.
The result would be {4,5,6,7,10,11,12}
Since there are no common numbers in either A or B, they would be mutually exclusive.
The answer would be the last one.