I don't know about the sex of my chicks please help

[nasirjamil93]

I bought these chicks about a month ago and know nothing about their breed,sex and age.

Please help me to determine these things about my lovely chicks

 

[nasirjamil93]

 

[cmchickens]

Easter Eggers? Probably cockerels if they are EEs.

 

[MichStep]

They look like one of my friends mix breeds!

 

[Cyan Night]

Probably an EE roo

 

[nasirjamil93]

thanks

What about my black chick??

Whose pics are in comments