Select the correct answer. Find the product of the given polynomials.
(5x + 5 – 2.r)(4 + 77 – 1)
9r2 + 351 + 15
21r2 + 156 + 44
21r2 + 246 + 15
21.12 + 440 + 15

About 25of the grand parents will spend less than two hours a day online

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 linear equation is: y=ax+b