What is the answer to x+9=12

X+9=12

subtract 9 by both sides

x+9=12
-9 -9

x=3 is your answer

I’m sure you could google it. my profile picture might

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.