Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 2 million liters of water in it. what percent of the water evaporated?

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.

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !

What is the measure of minor arc dm?