Opportunity opp=[SELECT Id,StageName FROM Opportunity LIMIT 1]; Given the code above,how can a developer get the label for the StageName field?

A Next Best Action strategy uses an Enchance Element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors. What is the correct definition of the Apex method?

What are two valid options for iterating through each Account in the collection List<Account> named AccountList? (Choose two.) for (Account theAccount : AccountList) {...}

A developer has the following requirements:
* Calculate the total amount on an Order.
* Calculate the line amount for each Line Item based on quantity selected and price.
* Move Line Items to a different Order if a Line Item is not in stock.
Which relationship implementation supports these requirements?

A team of many developers work in their own individual orgs that have the same configuration at the production org. Which type of org is best suited for this scenario?