What is 80% of 21000?

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.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

When y’all answer can y’all explain too !