Rosie and her 5 sisters had a party and evenly shared the cost. they spent $615 on food and $255 to rent the hall. the band played for 4 hours and charged them $150 per hour. how much did each sister contribute?

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?