The area of the rectangular painting is given by the trinomial x^2 - 6x - 16. The
door's width is (x + 2). What is the door's
length?

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

The correct answer is -4