I kinda need help with this

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Y=4x^2+x-1 solve using quadratic formula

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.