Work out
a) 5 + 8 + 2
b) 4 * 5 + 6 + 3
c) 7 * (3 + 2)

The sum of two numbers is 86, and their difference is 20. find the two numbers

How do u write a function for the reflection across the y axis

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?