The set of integers is not closed for
(1) division (3) addition
(2) multiplication (4) subtraction

How many square centimeters of wrapping paper will be used to wrap the shoe box?

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?

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y