Using numbers and operations to write each phrase as an expression the difference between 58 and 47

Ineed in figuring out this problem.

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases

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