What is the expressions factor for -12x+24-18y?

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.

Consider the function f(x)=-5x+3 what is f(-2)

Is it greater than or less than7*3_9*2