quand j'avais deux (2) ans, ma soeur avait le triple de mon âge Aujourd’hui j'ai 16 ans, quel age à ma soeur?

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

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.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28