Reduce this algebraic fraction. y^3 -3y^2+y-3 / y^2-9

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.