The line y = 2x + 6 cuts the x-axis at A and the y-axis at B. Find (a) the length of AB,
(b) the shortest distance of O to AB, where O is the origin (0,0)​

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?