How do i draw a model for 328 divided by 2

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

X+y=-4 x-y=2 use elimination with adding and subtraction