Ireally need ! what is the volume?

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

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

Write the function for the graph. (1.8) (0,4)