What is the area of parallelogram abcd.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

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.