#2 definitely a pullet - no doubts - her color pattern is only seen in the female EEs
#1 most likely a pullet - should know for sure in a couple weeks when she gets fully feathered
#3 could go either way - since both male & female EEs can be white, you need to wait a few more weeks on that one - watch the comb - it looks a bit dark/bright in the photo - if its comb gets any darker & larger in the next few weeks than you'll know that you have a roo
#1 most likely a pullet - should know for sure in a couple weeks when she gets fully feathered
#3 could go either way - since both male & female EEs can be white, you need to wait a few more weeks on that one - watch the comb - it looks a bit dark/bright in the photo - if its comb gets any darker & larger in the next few weeks than you'll know that you have a roo