Which function is available in the report builder interface, prior to running the report?

Which of the following can be done on the Activity Settings page at Your Name | Setup | Customize
| Activities | Activity Settings?

If you delete an email from a case and then delete the case, you will not be able to retrieve the deleted email from the Recycle Bin

Dreamhouse Realty agents are double-booking open house event nights. The evet manager wants to event submission process to help agents fill in event details and request dates.
How should an administrator accomplish the request?

Cloud Kicks want to have consistency when communication with customers on cases. The
company has requested messages to be sent in an email channel with categories to help search for the
proper message.
which Solution Should be administrator suggest to meet this requirement?