using three pieces of matchsticks form polygon a. hiw many sides does it have? b. how many vertices does it have? c. how many interior angles does it have?​

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?