Ryan won 123 pieces of gum playing horseshoes
at the county fair. At
school he gave four to
every student in his math
class. He only has 3
remaining. How many
students are in his class?

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?