Solve for me pleasee​

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.

Find the slope of the line y =8/9x + 1.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?