Abouquet of lilies and tulips has 12 flowers. lilies cost $3 each, and tulips cost $2 each. the bouquet costs $32. write and solve a system of linear equations to find the number of lilies and tulips in the bouquet

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.

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

Is (root2 -2)^2 rational or irrational. show the steps and answer fast