4x-50=2x+30
what is x?

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.

You must find the surface of the block therefore 98187 dived by 5628 = 583m squared