If lina speend 15hours on a student and another 13 hours for another student in a mont, how much will she earn? A. fee=[500-200 (15)]+[500-200 (13)]
B. fee=[500+200 (15)]+[500+200 (13)]
C. fee=[500 (15)+200]+[500 (13)+200]
D. fee=[500 (15)-200]+[500 (13)-200]

Ithink you're supposed to multiply 12.50 which is how much he makes per hour and then multiply it by each number then add whats left togrther and there's your answer

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.