What value of g makes the equation true ? (x-7)(x-4)=x2+go-28

Which of those sequences is a geometric sequence

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.

The measure of an angle is 117°. what is the measure of a supplementary angle?