8 is what percent less than 10

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180

How many zeros does this polynomial function, y=(x-8)(x+3)^2

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1