The vertices of a triangle are P(−5, −3), Q(1, 5), and R(−4, 8). Name the vertices of Ry = 0(POR).

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.