The difference between twice a number, x, and a smaller number, y, is 3. The sum of twice the number and the smaller number is -3. Which equations represent this
situation?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Find all the angles that satisfy the equation cos(θ)=32

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?