Can yall help me plz

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.

The reflexive property of congruence lets you say that ∠pqr ≅

Bring the fraction a/a-4 to a denominator of 16-a^2