What is the answer to this problem

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Is this a polynomial function? i need to know asap

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _