Solve four square root of six plus eight square root of four and explain whether the answer is rational or irrational.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

How many square centimeters of wrapping paper will be used to wrap the shoe box?

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