The polygons are similar. Find the scale factor

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

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.