I got my answer it was 15*14*13= 2730 ways
thank you!!!
a=9 and b=4
Music will be challenging and sometimes annoying, I know cus I play the oboe and sometimes I don't even like playing it. I would just play an instrument as a hobby and do computer science.
Bro I already tried the message board I just didn't get the help I needed, chill out man
lol I kept searching it up but I kept looking at the same one which was wrong thanks CPhill.
thx!!!
r u in AOPS???
nvm I got the answer