Answer:
negative
positive
negative
zero
positive
Step-by-step explanation:
Situation 1: A football team's first play resulted in a loss of 15 yards.
negative
Situation 2: A store marks up the price of a calculator $5.20.
positive
Situation 3: Nina withdrew $50 from her bank account.
negative
Situation 4: A porpoise is swimming at sea level.
zero
Situation 5: Kylie scored 2 goals in yesterday's soccer game.
positive
12(7x)^1/5
This is simplification into index form, the index itself is the 5th root of 7x if you just wanted to state what it is
(0.5 liter/bottle) x (6 bottles/pack) = 3 liters/pack
(10 days) x (1.5 liter/day) / (3 liter/pack) = <u>5 packs</u>