Unit 10 Homework 6: please help asap

What is the binomial expansion of (2x-3)^5

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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.