If a = 3, what is the value of 2 2/3?
A. 6
B. 12
C. 18
D. 36

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?