The table shows a linear function :)
You would just do 5.7-8.1, which is -3.6 degrees Celcius. Hope I helped!
My favorite way is to hold down Ctrl, Alt, and Delete all at once. This will open up a screen on you computer where you can select Task Manager.
X = - 1/2
In other way is x = -0.2 , x = -5^-1
