Mark and John work the same amount of hours babysitting and tutoring. Mark gets paid $6 per hours for babysitting and $15 and hour for tutoring. He makes $150 in one week. John makes $10 an hour babysitting and $8 an hour turn and gets paid a total of $114. How many hours were spent babysitting and tutoring

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(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.