Terrell went to dinner with his friends and order three tacos it's taco costs two dollars he has a coupon for a dollar office purchase the total cost in dollars Terrill purchases is represented by the phrase multiply 3 by 2 then subtract one write the total cost as a numerical expression

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

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.