Afootball team gained 9 yards on one play and then lost 22 yards on the next. write a sum of interfere to find the overall change in field positions

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Use set builder notation to represent the following set: { -3, -2, -1, 0}

What is the rate for one gallon of gasoline