N(-19,6) and M(-15,4)

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

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

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?