Which graph represents the function f(x)=-3^x-2?

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

What is the vertex form of f(x) = x2 + 6x + 3

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.