Select the correct product. (2x + 9)(x + 1) a)2x2 + 11x + 9 b)3x2 + 11x + 9 c)2x2 - 7x + 9 d)2x2 + 11x + 10

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

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.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy