When should you use the "transient" property on variables?

A developer has created a Visualforce page that uses a third-party JavaScript framework. The developer has decided to supply data to the JavaScript functions using JavaScript Remoting for Apex Controllers.
What is the correct syntax to declare a remote method in Apex? (Choose two.)

Which of the following annotations is the right way jto invoke a single apex method?

How can Apex be used with Visual Workflow?

A developer encounters an error that states that the Apex heap size is exceeded. Which technique may reduce heap size?