Answer:
Option C)
is correct
Therefore 
Step-by-step explanation:
Given expression is
To simplify the given expression :

( using the property
)

Therefore 
Therefore option C)
is correct
Therefore the simplified expression is
Answer:
D
Step-by-step explanation:
every number is either even or odd so half of infinite possibilities.
Answer:
1
Step-by-step explanation:
the way to solve is just too look at the bigger picture. -4+5 is another way to write it. This would simply to 5-4, which is 1.
ℍ
I think is very complicated the way u set it up maybe try to put a picture for it
No, 14 is the gcf of 42 and 154.