Help gender determine 5 week old mix chickens + cochin bantams

[Henfla]

For the mix chickens, their father is a silver laced wyandotte. The hens in the flock are silverudds blue, maran, cream legbar, silver laced wyandotte, gold, white and black, barnevelder, brahma, ayan cemani, silk and sultan.

 

[Ridgerunner]

#1 - 100% boy
#2 - 70% boy
#3 - I don't know
#4 - I don't know, I see signs of boy and girl
#5 - 100% boy
#6 - With that red around the comb maybe 60% boy. But that one is hard.
#7 - 90% girl, those legs look heavy but probably the feathers.
#8 - 100% girl