How does descartes arrive at his ""first principle"" through methodological doubt? what is the first thing that he demonstrates as absolutely certain? how does descartes arrive at his ""first principle"" through methodological doubt? what is the first thing that he demonstrates as absolutely certain?

What were some benefits of the lewis and clark expedition?

How did the growth of railroads american businesses expand

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18