Will brainlist!!! 21 and 22 form a linear pair.
If mZ1 = (5x + 9) and mZ2 = (3x + 11)", find m21.
mZ1 = 71°
m21 = 109°
mZ1 = 70°
m21 = 110°

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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.

Math each whole number with a rational, exponential expression