And you i just need someone to correct my work from my answer to the answer my teacher wrote i'm confused and need to find where i messed up

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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.

How can (square root of 25) ^2 be rewritten?