Opposite angles in a parallelogram are a. acute b. supplementary c. parallel d. convex e. congruent

Find the cosine function that is represented in the graph.

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality