Tammy calls her grandmother every Saturday night. There are two phone companies she can use: Telcom charges $0.12 per minute and United Phone charges a flat fee of $0.78 plus $0.09 for every minute thereafter. How many minutes can Tammy talk to her grandmother and be charged the same amount by either phone company? Tammy can talk how many minutes?

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