HELP BRAINLEST !! for what values of the variable do these fractions exist (y^(2)-1)/(y)+(y)/(y-3) format: for example (x>3 or x<9)

Which is a graph of a proportional relationship?

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.

1: 4 if the wew 35 surfboards at the beach how many were short boards?