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 <apex:page> tag of the Visualforce page to enable this functionality? Choose three answers.

Universal Container wants Opportunities to no longer be editable when reaching the Clousd stage.
How should a develoiper accomplish this?

Which three options can be accomplished with formula fields? (Choose three.)

Universal Container is building a recruiting app with an Applicant object that stores information about an individual person that represents a job. Each application may apply for more than one job.
What should a developer implement to represent that an applicant has applied for a job?

A developer created a child Lightning web component nested inside a parent Lightning web component, parent component needs to pass a string value to the child component.
In which two ways can this be accomplished?
Choose 2 answers