This is for a grade and i’m so confused

Which rational number could be graphed between -4 and -5

Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is