A math teacher researches the relationship between 7th and 8th grade involvement in speech and debate and drama club. Given that a student is in 8th grade, what percentage of those students participate in drama club?

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

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.

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)