A hyperlink, also known as link or web link, is an icon, graphic, or text within a document that you can click on to jump to a new document or object. They are often blue and underlined and whenever you move the cursor over them the arrow changes to a small hand pointing at the link.
Bearing the above in mind it could be said that, " a <em>hyperlink</em> provides direct access from one document or Web page to another"
The least common multiple of 9 and 6 is 18 so in 18 months she will replace the bulb for the 2nd time and the air filter for the 3rd time. It will be the first time they are replaced together.
