The store owner tells the girls that half of the DVDS are out on loan. How many DVDS does the store own in total?

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

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