4. Sam's parents are teachers who commute 45 miles roundtrip to work 5 2 days a week. His parents spend $38 on gasoline each week. Gasoline cost $2.48 per gallon. Which of the following statements is true for this problem ? Sam's parents spend $0.17 per mile on gasoline II. Sam's parents buy 15.32 gallons of gasoline per week. III. Sam's parents car gets 5.92 miles per gallon of gasoline

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

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.

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.