Afootball team lost 9 yards on first down and 4 yards on second down. it gained 5 yards on third down. how many yards does it need to gain on fourth down to have a 10-yard gain from its starting position? a. 2 yd b. 8 yd c. 13 yd d. 18 yd

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form