What is the mean of this set 18,21,20,14,17

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

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?

In the next 10 years, how do you think hipaa guidelines will affect the roles, responsibilities and tools of a medical transcriptionist