Anyone else bored or wanna chat??

Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?

Wheeled coach ambulance uses an interactive computer program to develop and document its products. what is it called?

American college students invented football by combining what two sports?