Which of the following represents the characteristics of the graph of x > 3?

open circle on 3, shaded to the left.
closed circle on 3, shaded to the left.
open circle on 3, shaded to the right.
closed circle on 3, shaded to the right.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

In a column proof the right column states your reasons

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle