A(n)2(3)^n-1 Find the first four terms of the sequence given by the following.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

What are the soultion(s) to the quadratic equation 40- x^2=0

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.