Hen or Roo? 7.5 weeks old

[MLW]

Hi there! Could anyone help identifying the sex of these 6 chickens? They are from a "rainbow mix", so a variety of breeds and mixes. All are 7.5 weeks old.
I attached 2 pics of each. TIA

 

[CascadiaRiver]

1. Small comb, looks like pullet right now
2. Comb is pretty wide & red for the age, leaning cockerel. Lots of white in the pattern, usually means boy.
3. Comb also pretty red for the age, assuming cockerel
4. Color and comb looks like pullet to me
5. Part silkie so this one may need longer; comb is pretty wide but very small, leaning pullet for now but give them more time
6. Comb looks small and pink, looks like pullet to me

 

[MLW]

1. Small comb, looks like pullet right now
2. Comb is pretty wide & red for the age, leaning cockerel. Lots of white in the pattern, usually means boy.
3. Comb also pretty red for the age, assuming cockerel
4. Color and comb looks like pullet to me
5. Part silkie so this one may need longer; comb is pretty wide but very small, leaning pullet for now but give them more time
6. Comb looks small and pink, looks like pullet to me

Great! Thank you!