30 pontis the ratios 2 to 7 and 5:7 using the circles to model.

2 circles.

Using circles to model the ratios, divide both circles into
equal parts.
For the ratio 2 to 7,
2
parts should be shaded.
For the ratio 5:7,
parts should be shaded.
The ratio 2 to 7 is
the ratio 5:7.

What are the following algebraic equations. you need to post those if you want the 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.

Polar coordinates is 8,9