A certain forest covers an area of 2200 km2. Suppose that each year this area decreases by 7.5%. What will the area be after 11 years? Use the calculator provided and round your answer to the nearest square kilometer.

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18