Mr. quinn drove 328.9 miles in 7 3/4 hours. which is the best estimate of the distance he drove each hour?

a: about 32 miles
b: about 40 miles
c: about 50 miles
d: about 55 miles

Which expression is equivalent to? assume x > 0 and y > 0.

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

Find the equation using the point (4,8)