Triangle A B C is shown. The length of A B is 16, the length of B C is 14, and the length of A C is 12.
Heron’s formula: Area = StartRoot s (s minus a) (s minus b) (s minus c) EndRoot

What is the area of triangle ABC? Round to the nearest hundredth of a square unit.

17.75 square units
81.33 square units
372.71 square units
957.74 square units

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths