What is the cost of six filters if eight filters cost $39.92?

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.

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

What is the simplified form of the square root of 72x^16/50x36? assume x ≠ 0.