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Hey Andy, can I please get my user name changed to "Michael Denes"? I didn't know when I created my account that you could have a space in the name. Thank you.

For 1. I believe it is (C) 480 No. of arrangements in total: 6! = 720 ways No. of arrangements where Ann sits next to Bea = 2!*5! = 240 ways (2! to arrange Ann and Bea, 5! to arrange the 5 "groups" (the Ann/Bea group and the group of individuals). Therefore, No. of arrangements where Ann does...

Hey guys, I'm 17 years old going to high school in Sydney, Australia. I joined QN sometime last year, but haven't posted anything as of yet. I'm very interested in applied mathematics (planning on doing a Bachelor of Science (Advanced Mathematics) at the University of Sydney when I leave high...