At a wedding reception, the bride and groom and six attendants will form a receiving line. How many ways can they be arranged in each of following cases?
a) Any order will do
b) The bride and groom must be the last two in line.
c) The groom must be last in line with the bride next to him.
a) In how many ways can the receiving line be formed if any order will do?
b) In how many ways can the receiving line be formed if the bride and groom must be the last two in line?
c) In how many ways can the receiving line be formed if the groom must be last in line with the bride next to him?