Suppose you are going to make a password that consists of 5 characters chosen from {2,3,6,7,a, c,k, n,p}. How many different passwords can you make if you cannot use any character more than once in each password

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60