A. Which method do you prefer in multiplying rational numbers? What is the importance of knowing different methods to carry out tasks? B. In general, to reciprocate means to do something for someone who has done a similar thing for you. How is it related to reciprocation in math?

Answer should be an short essay haha :).

What is the value of x in the diagram below?

Divide. write in the simplest form. 4 1/6 divided by 10

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