What is the purpose of a forecast worksheet? It uses historical data to predict one trend line.
It predicts trends using changing data onto one line.
It uses historical data to predict multiple trend lines.
It predicts trends using changing data onto multiple lines.

Which statement is true of web-based social media? a.they allow consumers to interact with and update content. b.they cannot be updated easily, as compared to print media. c.they are expensive to produce and maintain, as compared to print and television. d.they can exist independent of the internet.