The chart above shows the store's cost and list price for three models of stoves sold by an appliance store.
During a 20 percent off sale. Gene bought a Model Y stove from this store. How much profit did the store make
on Gene's purchase? (Profit = Price paid - Store's cost)

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.

Aand b are correctly balanced reactions. they have the same number of atoms in both sides of the reaction