Is it possible t form a triangle with side lengths of 11.5 yd, 15.5yd and 9 yd? proof

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.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.