Fine the class width

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.

What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9

597008.439431 to the nearest thousand