Posted by Anonymous on Wednesday, September 26, 2007 at 1:00am.
8. In how many ways can 12 books be displayed on a shelf if 15 books are available?: *
A. 455
B. 479001600
C 2.17945728 x 1011
2730

mathalg  PsyDAG, Wednesday, September 26, 2007 at 12:29pm
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in a another post. Thank you.

mathalg  none, Wednesday, September 26, 2007 at 6:21pm
b?