Four is 20 more than the number

Write that as an algebraic expression please!!!??

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

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

If julia has a value of x5.4 that is equivalent to x10.9 true or false. explain