Johanna's monthly salary was increased by 4% to $27,560. What was the salary before the increase?

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

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b