In 1906, the famous escape artist, houdini, jumped into the san francisco bay with a metal ball chained to
his feet. if houdini and the ball weighed 225 pounds altogether, and houdini weighed twice as much as the
ball, how much did the ball weigh? how much did houdini weigh?

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