Volume is 12000 what is diameter

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

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?