A high school student won 5 of her first 9 debates. By the end of the season she improved her winning percentage to 75% by winning every one of the rest of her debates. How many additional debates did the student win? Fill in the blanks to set up the problem and find the answer. Letx be the number of additional debates the student won.

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

Which of the following is true for the relation f(x)=2x^2+1

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x