Answer:
yes
Step-by-step explanation:
Answer:
-9
Step-by-step explanation:
Answer:
AB and EF
Step-by-step explanation:
They are the same length
Answer:
60 cubic centimeters
Step-by-step explanation:


If

and

share no common elements, then

, which means

On the other hand, if the smaller set is entirely contained within the larger set, i.e.

, then

, and so

.