The distribution of the scores on a standardized exam is approximately normal with mean 400 and standard deviation 35. What percentage of scores lie between 433 and 475? Round your
Answer to the nearest hundredth
answer to the nearest hundredth.

The system of equations graphed below has how many solutions? y = 2x + 2

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