Can someone give me 12 equations plz because I need it

Find the area of the regular hexagon if a side is 20 cm.

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?