Plz help im stuck on this one

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.

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²