Use the distributive property to write an expression that is equivalent to 12 + 4x .

The measure of an angle is 117°. what is the measure of a supplementary angle?

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

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer