Is 'To Sign' Separable or Inseparable? - Phrasal Verb Quiz

Quiz for Verb: 'To Sign'

Is the phrasal verb 'To Sign' separable or inseparable in the following examples?

'Sign up' - Subscribe

'Sign with' - Make a contract with

'Sign on with' - Sign a document joining or agreeing to something

'Sign off' - Close a claim for unemployment benefit

'Sign on' - Agree to participate

'Sign off' - Give someone a letter to be away from work

'Sign on' - Start broadcasting

'Sign off on' - Give official approval

'Sign in' - Register in a hotel

'Sign out' - Sign something to show you have borrowed something