Multiply the amount of inches it is by 30 and you will know what the size is in feet.
A cross section is the shape we get when cutting straight through an object. The cross section of this object is a triangle. It is like a view into the inside of something made by cutting through it.
The answer is -3 and 4. (-3)•4=-12 and -3+4=1
1 is not a function. 2 is not. 3 is not. 4 and 5 are functions. 6 is not.
