<u><em>*(The Answer)*=</em></u>
1. 
2. 
3. 
4. 
5. 
So, it is B
Hope This Helps :)
2 solutions because you have 2 different equations
A square has two pairs of parrallel lines :) I hope it helps :)
Answer:
[2P-3.) ^2+(2P+3)^2[2P-3.) ^2+(2P+3)^2[2P-3.) ^2+(2P+3)^2