Ameasure of how closely data is related.

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.