seating by having every student move to an adjacent seat (just ahead, just behind, on the left, on the right). Show that such a move is impossible.

In photoshop I copied an image of a classroom but I would like to seperate the desks and the tables from the classroom picture that is in one layer?

when the teacher left to run some copies of a worksheet. we were in the room for two hours and now im in trouble along with EVERYONE in the class. we all got suspended for one week. i didn't even do anything. me along with a couple other people didn't even go along with it and now we are in trouble because we "could have stopped it." the stupid people who came up with the idea wouldn't let any of us unblock the door. is this fair?

Any college students here, particularly older students (30+)? Ever try to sit in a two-hour class squirming in a seat made for skinny 18-year-olds that makes you WISH you were on an airplane?? And at the same time trying to take notes and concentrate? What do you do about that? Are there accommodations? Do you just bring a pillow and sit on the floor?

Please also explain how you got the answer.

Would you put them in a circle? in rows & columns? at tables in rows? at circular tables? Why? Sorry, lets say 20-25 desks and secondary education

eight desks have been placed in a classroom for eight students. how many different ways can the eight stduents arrange themselves in the eight chairs??

I could really use a nap right now...

I could really use a nap right now....