james help out in the recycle center in his town. one saturday be calculated that he need 41 pieces of rope, each 4 and 1/4 feet long, to tie bundles of paper together. estimate , using a whole number, how long a piece of rope he must start with to cut into smaller pieces . remember , you cannot end up witH a length that is too short show all the steps of your work

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

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

Opposite angles in a parrellelogram are