If the sum of the second and fourth terms of an arithmetic sequence is 6, what is the third term?

What is the domain of the of the exponential function shown below?

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

Enny is cooking a chicken for dinner. a chicken needs be cooked for 40 minutes per kilogram, plus an extra 20 minutes. how long will it take to cook a chicken weighing 3 kilograms