Determine if the expression –5s2 + 385 + 8s4 is a polynomial or not. If it is a polynomial, state the type and degree of the polynomial.

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

What can you determine about the solutions of this system

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?