Don't answer this questions i made it my accident

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

∆red ≅ ∆ by rule will give brainiest if possible

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap