All of them are wrong its 91 but if you want click or circle 90
Answer:
I am allergic to pollen is causes me to become congested and my eyes to become watery nothing too severe. -Your friend, Bill Cipher
Step-by-step explanation:
Answer:
The greatest common factor of the given expressions is

Step-by-step explanation:
Given that 
can be written as

can be written as

and
can be written as

Comparing the common factors we have
is the greatest common factor of 
Therefore the greatest common factor of the given expressions is
