Approximately how many degrees are in the measure of an interior angle of a regular eight sided polygon

Which system of linear inequalities is represented by the graph?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi