How can business users create new analytics content? Note: There are 3 correct answers to this question.

How can business users create new analytics content? Note: There are 3 correct answers to this question.
A . Create new data sources via joins of standard data sources
B. Change underlying database tables of standard data sources
C. Create additional key figures in existing data sources
D. Change existing data sources by adding filters
E. Combine current and historical data

Answer: A,D,E