Need help with 10 and 11

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.

98 point question what is the record for most points in one

What is the equation of a line passing through (-6,5) and having a slope of 1/3