Solve the system.

4x+2y+3z=12
2x−3y+5z=−7
6x−y+4z=−3

When you answer this can you explain

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.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.