Michael needs to cover the front and back of his rectangular painting
with cloth for protection. The length of the painting is 3 and 1/2 meters and
he needs at least 17 and 1/2 square meters of fabric to cover both sides of
his painting. What is the width of Michael's painting, in meters?

A: 6 and 2/3
B: 5
C: 5/2
D: 5/8

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

What type of symmetry does a rhombus have?

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