I need help. ASAP. i have a test coming up and i need it

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.

Which graph represents the equation y =4x

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq