Complete the area model to identify the quadratic expression it represents.

A)
8x2 + 12x + 8

B)
15x2 + 8x + 6

C)
15x2 + 22x + 8

D)
22x2 + 15x + 8

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.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?