A certain forest covers an area of 3100 km^2 . Suppose that each year this area decreases by 6.25%. What will the area be after 11 years? Use the calculator provided and round your answer to the nearest square kilometer.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters