The Math Club is renting a banquet room for a party with door prizes. The banquet room costs $125 to reserve and the door prizes each cost $8.50. Find the possible number of door prizes that
can be purchased if the club decides to use no more than $250 to reserve the banquet room and
the purchase the door prizes.

Acompany is making new soccer uniforms for a team. the company uses 2.5 yards of fabric for each shirt. the company uses 82.5 yards of fabric to make shirts and shorts for 15 players. the equation and solution below represents the situation. 15(2.5+x)=82.5; x=3 what does the solution, x=3, represent?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

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