Heather was asked to find the density of a brick given the mass in kilograms in the dimensions of the brick and meters she wrote her answers 2400 kg per square meter on the chalkboard without even performing their calculations first Jonathan knew right away that her answer was incorrect how could you tell there was an error

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16

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