A photographer has matted and framed 15 photographs.
He needs to select 10 for the arts festival.
How many ways can he arrange the photos
for the festival?
A jar is full of candy, 8 pieces are yellow, 12 pieces
are red, 6 pieces are orange and 4 pieces
are blue. What is the probability that you pick
out a piece that is not yellow, put it back
and then pick out a yellow piece?