The correct answer is A) blog.
The options of the question were B) fax. C) firewall. D) wiki.
Dan runs a busy desktop-publishing company. His company wants to increase its exposure, so it runs a new promotion each week. The tool Dan most likely chooses to publicize this promotion is a blog.
Using a blog is a great tool to communicate with your audiences and target groups. In a blog, you can also include all the promotions you want because you know that people that visit your blog are people who are interested in your company's products. So when they're there, they could notice the promotions, and read an article or getting more familiar with the company and their products.
Medicine i think but im not positive
Answer: If a linear system has no solution, the two lines are parallel. If it has one solution, the lines will intersect at exactly one point because they have different slopes.
