Solve the following 3√64

Pls will give brainliest and all p.s u can zoom in if u cant see plss

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*