What are two ways to define a trend report with a chart that displays the number of Cases that users create and resolve each day? (Choose Two)

What are two ways to define a trend report with a chart that displays the number of Cases that users create and resolve each day? (Choose Two)
A . Use a series of subreports.
B . Define and report against a Timeline table.
C . Use a complex SQL.
D . Define and report against a custom history table.

Answer: BD