Find the value of x that will make A||B.

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Which of the following expressions are equivalent ?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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