Businesses that flourished during the Second Industrial Revolution were advanced by
the construction of hundreds of new roads.
the passage of government regulations.
the creation of new forms of technology.
the reliance on old business models.

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)