In ΔPQR, the measure of ∠R=90°, the measure of ∠Q=7°, and PQ = 9.4 feet. Find the length of QR to the nearest tenth of a foot. (please answer ASAP)

Answer this question only if you know the 30 points and

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.

Which number line represents the solution set for the inequality -1/2x> 24?