Simplify these expressions
a) 5xx
b) 6 x x x y
c) 2 * x* 3 y

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.

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?