Answer:
OPTION C
Step-by-step explanation:
Given: 
This can be rewritten as: 
Also, since 

We know that 

Hence, Option C would the answer.
Answer:
A
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
12/3=4
Answer:F is a unknown number
Step-by-step explanation:Isolate the variable