Haroldo, xerxes, regina, shaindel, murray, norah, and georgia are invited to a dinner party. they arrive in a random order and all arrive at different times. what is the probability that xeres arrives first and regina arrives last?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.