AABC is a right triangle. If AC = 12 and BC =
13, find AB.
5
25
2
18

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

What is the measure of the smallest angle in the diagram? 15 29 32 45

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.