Given the initial inequality 2 > -4 identity which operation preserves the Inequality Symbol and which operation reverses the inequality symbol write a new inequality after the operation is performed

a. Dived by both sides by 2

(Perform the operation write the New inequality and state whether the inequality was Preserved or Reserved)

What is the range? can’t seem to find it out

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

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?