Yes, "half-page ad" should be hyphenated to show that "half" and "page" are acting together as a compound adjective to describe "ad."
Notes Page
Cut it in half.
The half page of the magazine is 15cm x 12cm (half of 24cm). So, the area of the half page advertisement is 180 sqcm. At Rs 300 per 10 sqcm, the total cost for the half page advertisement would be Rs 5400 (180 sqcm * Rs 300).
Half is in Du Page County half is in Cook County.
In a book, it's the page that appears directly before the title page. It usually lists only the title of the book but can sometimes include other elements, such as the author's/authors' name(s), edition.
because it is
Fold a page in half and then in half again. Unfold it. One square is one quarter page. As for the design, color, font, etc, that depends on you and the owner of the publication you want the ad published in.
To write a half page answer on if you want to be a federalist or a republican you need to research each and decided which one you would prefer.
i would say a page or half a pageh
Page 106 of Harry Potter and the Half-Blood Prince(Scholastic 2005 edition).
500 words is 1 page single spaced or 2 pages double spaced.