Tricky question by Christine Burgmer | Jul 18, 2015 | Allgemein | 0 comments Is it ‘nine and five is thirteen’ or ‘nine and five are thirteen’? Neither. Nine and five are fourteen. 😉 share share Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of followup comments via e-mail. You can also subscribe without commenting.