The profit earned by the sales division of a company each year can be modeled by the polynomial x - x2 + 2x - 100, where x is the number of units sold. The
profit earned by the manufacturing division can be modeled with the polynomial
x2 - 4x - 300.

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.