Find the area of this regular polygon if s = 11 and a = 8. No links or report

Astudent simplified a rational expression as shown.

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Which expression gives the area of the triangle shown below