please answer this for me this morning please

Which of these sentences exhibits proper usage? a. many doctors affiliated with university hospital expressed concern about the policy (moore 5). b. many doctors affiliated with university hospital expressed concern about the policy (moore 5). c. many doctors affiliated with university hospital expressed concern about the policy (moore 5). d. many doctors affiliated with university hospital expressed concern about the policy (moore 5).

Who is the speaker? read the quotations and answer the questions for each quote. quotation analysis "those who labor in the earth are the chosen people of " what is the main idea of the quotation? who do you think is the speaker? what evidence from the background reading leads you to the conclusion about the speaker? 2. "all communities divide themselves into the few and the many. the first are rich and well born, the other the mass of the people…" what is the main idea of the quotation? they divided the people in between rich and poor who do you think is the speaker? hamilton what evidence from the background reading leads you to the conclusion about the speaker? federalists believed that the country should be ruled by the by the best people 3. "laws are made for men of ordinary understanding and should, therefore, be construed by the ordinary rules of common sense." what is the main idea of the quotation? who do you think is the speaker? what evidence from the background reading leads you to the conclusion about the speaker? 4. "a fondness for power is implanted in most men, and it is natural to abuse it when acquired." what is the main idea of the quotation? who do you think is the speaker? what evidence from the background reading leads you to the conclusion about the speaker?

Read the hypothesis below and answer the question that follows. playing video games will improve individual spatial skills. what is the dependent variable in the experiment? a. playing video games b. type of subjects c. type of video game d. spatial skills