Yes you did it correctly I'm doing the same thing in algebra 1
The Dred Scott decision was the Supreme Court's ruling on March 6, 1857, that having lived in a free state and territory did not entitle a slave, Dred Scott, to his freedom. In essence, the decision argued that as a slave Scott was not a citizen and could not sue in a federal court.
Answer:
Baird's system used a mechanical camera consisting of a large spinning disc, with a spiral of holes that Paul Nipkow had developed in 1884. This old mechanical technology was quickly replaced by superior electronic television. Philo Farnsworth successfully demonstrated electronic television in San Francisco, in 1927.
Explanation:
Public opinion polls also affect how much money candidates receive in campaign donations. Donors assume public opinion polls are accurate enough to determine who the top two to three primary candidates will be, and they give money to those who do well.
Your anwser would be a. Saftey
