are we roos or hens? what breed are we also?

[hennypennyinmissouri]

hi I'm new but picture 3 & 4 look Identical to mine. The white one I bought I was told is a white leghorn and the brown one in 3 a brown leghorn.

here's my white leghorn I was told was a hen but still not for sure.

https://www.backyardchickens.com/forum/viewtopic.php?id=68263