I think is going to be
A=1
B=43
I WISH IF YOU LOOKING FOR
Answer:

Step-by-step explanation:
We need to find union of given sets
and 
We know by definition that union of two given sets say A and B is set C with all the unique and common values given in set A and B.
∴
∪
= 
Answer:
it is the third one
Step-by-step explanation:
Ill take the 52.20 aint no splitting