Help Math Dont know howw to do this

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified, is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.