Simplify the expression –2(p + 4)2 – 3 + 5p. what is the simplified expression in standard form? –2p2 – 11p – 35 2p2 + 21p + 29 –2p2 + 13p + 13 4p2 + 37p – 67

What expression is equivalent to 42x-56y

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.

Could someone me with this question i’ve been stuck on it for 20 minutes