Which sentence is correct? the historic building is now more than ninety nine years old. the historic building is now more than ninetynine years old. the historic building is now more than ninety-nine years old. the historic building is now more than ninety-nine-years old.

Examine the public service ad. how does this ad transmit a cultural value? by sharing relevant high school graduation statistics by promoting a new type of educational program by reminding the public of the need for new schools by encouraging people to strive for more education