32/3 feet per 11//60 hourit says find the unit rate

Use set builder notation to represent the following set: { -3, -2, -1, 0}

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?

Find the commission on a $590.00 sale if the commission is 15%.