Which of the following represents the greatest percent of change? A. A tree grew from 6 feet to 12 feet in 1 year. B. An aquarium that was originally priced at $80 is now $60. C. A person whose salary was $100 per week is now earning $120 per week. D. A baby who weighed 7 pounds at birth now weighs 16 pounds.

What percent of the circle below is shaded?

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 part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite