Can someone help me with number 3 and 4 plz!:(

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

Which unit of measure would be the most appropriate to measure the capacity of a bottle of nail polish? a. fluid ounces b. cups c. pints d. quarts e. gallons

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