What methods did astronomers use to create new theories about the universe?

The time period of the growth of factories and work done by machines was known as a.) rise of mechanization b.) growth of industry c.) enclosure act d.) industrial revolution

What is the best explanation as to the dividing line between french and british claims in north america at this time?

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