In a survey of 1200 teenagers, 48% said they are involved in an extracurricular activity. What is the margin of error for the survey

Average acceleration: i have no idea how to do this.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list