Find y please and thanks

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9