Dave bought 100 feet of string. he needs one 19.5 foot section and multiple 3.5 foot sections for a project. how many 3.5 foot sections of string can he get after using the 19.5 foot section?

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