Fill in the blanks. in the 30-60-90 triangle below, side s has a length and side r has a length

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Having a hard time understanding this question (see attachment).

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?