use the given venn diagram, which shows the number of elements in regions i through iv to answer the…

use the given venn diagram, which shows the number of elements in regions i through iv to answer the following question. how many elements belong to set a? there are elements that belong to set a. (simplify your answer.)
Answer
Explanation:
Step1: Identify parts of set A
Set A consists of region I and region II.
Step2: Calculate number of elements in set A
Add elements in region I and II. $18 + 21$. $18+21=39$
Answer:
39