Please help it is important K12 A gift in a cubic box with 12 inches edge lengths needs to be wrapped.

How many square inches of wrapping paper will be needed to cover the box?

36 in²

72 in²

144 in²

864 in²

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.