Which of the following figures is not a polygon?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

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

Which expression shows the sum of the polynomials with like terms grouped together