Jose bought a new 4 door sedan for $32,720 six years ago. Kelley Blue Book estimates the car to be
currently worth $17, 555,00 The complete car care guide says variable costs are $843.20, insurance = $1125.00,
license and fees are $347.60. Jose drove his car 19,227 miles last year. Find total depreciation, annual
depreciation and total costs.

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