Peter's class launches a helium balloon for an experiment. The coordinate grid shows the height of the balloon as it rises in height. At what rate does the balloon rise in height? A. 40 feet per second
B. 100 feet per second
C. 30 feet per second
D. 50 feet per second

Translate the following words into an expression: “the quotient of a number and three is five.”

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.

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