169a2 - 52ab + 4b2
Factorise

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?