Find the quotient of `((5+2i)(6-4i))/((2+i))`, and express it in the simplest form.
a. `36/5-38/5i`
b. `36/5+38/5i`
c. `68/5-54/5i`
d. `68/5+54/5i`

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Which of the following points is collinear with (-2,1) and (0,3)

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.