pls answer this quick. I am a four sided polygon where my base sides are parallel. And put the picture of he shape

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.

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2