William has a lemonade stand. It costs him $0.30 to make 3 cups of lemonade. Which of the following represents the rate of change of his cost with respect to the dozens of cups of lemonade he makes?

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?

What is the slope of (0,32) and (100,212)

If cos(θ)=2853 with θin q iv, what is sin(θ)?