Answer:

Step-by-step explanation:
Answer:
U=19
A=8
B=5
Step-by-step explanation:
Cardinality refers to the number of elements in a set.
Answer:
The answer is B
Step-by-step explanation:
I went on socratic and found the answer
Answer: D
Step-by-step explanation:
It’s really obvious just circle D
Fraction would be 30/100 and decinal would be .30 and ratio would be 30/100