3 months of cell phone service cost $89.85, and 8 months cost $239.60. How much would 14 months of service cost?

Can anyone me with 32,33,36,37,and 40.

Consider the first four terms of the sequence below. what is the 8th term of this sequence?

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