Respuesta :
Answer:
yes A is a SUBSET of U and U is a SUPERSET of A.
Explanation: use curly braces for the elements.
A is a subset of U since U has the elements {1,2,3,4,5,6,7,8,9}, and A has the elements {1,2,3}
U contains the elements listed in set A, so a is a SUBSET of U
Answer:
Below
Step-by-step explanation:
A is a subset of U because 1,2,3 is in set U.
U is a superset of A as U contains 1,2,3 and other elements.