According to a recipe each batch of pancake mix to make 10 pancakes Kathy is making two batches of brunch party if each batch needs 1/2 cups of milk how much milk does she need

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