Annie wants to make several plates of apples and apricots, so that each plate has the same number of apples and the same number of apricots. At most, how many plates can she make, if she is going to use 8 apples and 20 apricots. At most, 8 apples and apricots can be arranged at ___ plates, so that each plate contains ___ and ___ apricots.

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Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias