Answer:
answer D ( if i interpreted your question correctly )
Step-by-step explanation:
Sqrt (c^2) = √(c^2) = C
As a = 0 , there is no sign . Its only 0. Thus the answer is (c)
Answer:
the answer is 
Step-by-step explanation:
Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.
hope this helps :)
Answer:
second option is the right answer
plz mark brainliest✌️✌️