Which statement should be used to allow some of the records in a list of records to be inserted rf others fail to be inserted?

A developer is creating an enhancement to an application that will allow people to be related to their employer.
Which data model provides the simplest solution to meet the requirements?

In a single record, a user selects multiple values from a multi-select picklist.
How are the selected values represented in Apex?

A developer needs to create a custom visualforce button for the opportunity object page layout that will cause a web service to be called and redirect the user to a new page when clicked. Which three attributes need to be defined in the <apx:page> tag of the visualforce page to enable this functionality?

A developer runs the following anonymous code block in a Salesforce org with 100 accounts List acc= {select id from account limit 10}; delete acc; database.emptyrecyclebin(acc); system.debug(limits.getlimitqueries()+'
,'+Limits.getlimitDMLStatements()); What is the debug output?