An airplane descends from an altitude of 32,000 feet above sea level to an altitude of 27,000 feet above sea level. what is the change in altitude? a. -5,000 feet b. 5,000 feet c. -59,000 feet d. 59,000 feet

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

Solve -.016x= -16. need solving this

Simplify using positive exponents only.