Answer: 864
Step-by-step explanation:
mulitiply all
Answer:
20
Step-by-step explanation:
n(A) only =15-4=11
n(B) only=9-4=5
n(A n B)=4
n(A U B)=11+5+4=20
Answer:
The fourth one
Step-by-step explanation:
I know that is correct
Well the answer for the square root of 11
irrational number
and real number