How do i determine the measure of each missing angle?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o

What is the product? a-3/15a × 5/a-3