Which expression is modeled by the diagram below? ​​
A
314÷343\frac{1}{4}\div \frac{3}{4}3
4
1
​
÷
4
3
​

B
34÷314\frac{3}{4}\div 3\frac{1}{4}
4
3
​
÷3
4
1
​

C
3÷143\div \frac{1}{4}3÷
4
1
​

D
14÷3\frac{1}{4}\div 3
4
1
​
÷

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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

Write an equation for the function that includes the points (2,100)and (3,100)