Which rational number could be graphed between -3 and -4 please hurry I'm doing a test and I only have 40 minutes left

An angle that measures between 90 and 180° is called a(,

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.

The square root of 9x plus 7 plus the square rot of 2x equall to 7