What are two use cases for executing Anonymous Apex code? Choose 2 answers

What are two use cases for executing Anonymous Apex code? Choose 2 answers
A . To delete 15,000 inactive Accounts In a single transaction after a deployment
B . To schedule an Apex class to run periodically
C . To run a batch Apex class to update all Contacts
D . To add unit test code coverage to an org

Answer: B,C