Will give 15 points what is the value of fraction 1 over 2x3 + 3.4y when x = 2 and y = 5?

Which of the following properties can be used to show

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

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?