Analyze the reflectional symmetry of the regular polygons. The square has _
-fold reflectional symmetry.

The regular octagon has _
-fold reflectional symmetry.

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?