Select all the conditions for which it is possible to construct a triangle a. A triangle with angle measures 60°, 80°, and 80°

b. A triangle with side lengths 4 cm, 5 cm, and 6 cm

c. A triangle with side lengths 4 cm, 5 cm, and 15 cm

d. A triangle with side lengths 4 cm, 5 cm, and 50 degree angle from the 4cm side.

e. A triangle with angle measures 30° and 60°, and an included 3 cm side length

3. find the radius of circle p.4. find y.

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

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