Hey Im chloe can you help me thank you Fill in the blank.
(4 + 7) × 3 = (4 × 3) + (7 × __ )

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Ten times the square of a non-zero number is eqaul to ninety times the number

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