1. Find the number of permutations of the letters in the word "sleigh". 2. Find the number of permutations of the letters in the word "candycane". 3. Suppose there is a set of 4 cups of coffee {a,b,c,d}. Find the number of combinations of cups of coffee taken 3 at a time and list each combination 4. Find the number of ways that 6 bags of m&ms can be chosen from a machine that dispenses 4 kinds of m&ms{a,b,c,d}