Câu 2.4 ạ
phần 1,2,3 em chwua hiểu lắm mọi người giúp em với ạ

Which representation has a constant of variation of -2.5

There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?

An incoming airplane is x miles due north from the control tower at an airport. a second incoming airplane is y miles due east of the same control tower. the shortest distance between the two airplanes is z miles. which of the following functions would best model the situation above?