What is 40°c in °f? and how do you work out celsius-> fahrenheit conversion, i’ve completely forgotten ‍♀️

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

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

In the diagram of circle o, what is the measure of zabc?