How do you describe a polynomial to some new algebra students

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year