The square root of 28 to the nearstest integer

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Combine the information in the problem and the chart using the average balance method to solve the problem.