Oscar is making vegetable soup. he uses 9 carrots for every 5 parsnips.
write down the ratio of carrots to parsnips by filling in the missing numbers.
:
oscar uses 27 carrots. how many parsnips does he use?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

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

Consider the diagram. lines e and c can be described as