A histogram is a graph used to present ranges of data. In contrast to bar graphs or vertical graphs, these are more used in displaying complex and higher statistical data ranges. Moreover, the illustration is Uniform. Uniform in that it portrays that the data is in a rectangular shaped form.
I apologise, but it is as though that there is some missing necessary information. Perhaps there was an error?
4-3x=o (o being egg orders)
2x+6=w (w being waffle orders)