Answer:

Step-by-step explanation:
=> (x-1)(x-1)
<u><em>Using FOIL</em></u>
=> 
=> 
Answer:
no
Step-by-step explanation:
1 4/5 = 1 8/5 if you make a common denominator
I graphed it out and it seems that both A and C are correct. I would check them to make sure.