Please help me... with at least 3 or 4.

Will give brainliest! aubrey was offered a job that paid a salary of $45,000 in its first year. the salary was set to increase by 2% per year every year. if aubrey worked at the job for 20 years, what was the total amount of money earned over the 20 years, to the nearest whole number?

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

Which expression is not a polynomial?