After milking several cows by hand, a farmworker had collected 32 L of milk. It took the worker 40 minutes to

milk the cows. On average, what was the rate at which

the worker was able to get milk from the cows?

0.8 L per minute

B

0.9 L per minute

1.0 L per minute

D 1.1 L per minute

Use the multiplier method to incrases £258 by 43%

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

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much