Write 7/8 as the sum of unit fractions.

If i have one apple and give you the apple, how many apples do i have?

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

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.