Among 64 students, 28 of them like Science, 41 like Mathematics and 20 like
English. 24 of them like both Mathematics and English. 12 students like both
Science and English. 10 students like both Science and Mathematics. How many
students like all the three subjects?

The distance around the lake is 2 kilometers. ifelena wants to run 14 kilometers this week, howmany laps must she run around the lake

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

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a