Find then selling price per liter of a mixture made from 70 l of cranberry juice which cost $1.20 per liter and 130 l of apple juice which cost $0.80 per liter

Could someone with number 1 and 2

The moats separating people from the animals are 5 m wide for lions and 4 m wide for the elephants. if the lion’s moat is 4 m deep, how deep should the elephants’ moat be?

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.