Atriangular bandana has an area of 74 square inches. the height of the triangle is 9 1 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

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