Can you help meh pls:)

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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.

Qrst is a parallelogram. determine the measure of ∠q pls