Show twelve in four different ways. use words, pictures, and numbers

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?