Which of the following relations is a function? {a. (1, 2), (1, 3), (2, 8), (3, 9) } b.{ (1, 2), (2, 3), (3, 4), (4, 5) } c.{ (3, -1), (2, 3), (3, 4), (1, 7) } d.{ (3, 0), (4, -3), (6, 7), (4, 4) }

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?