PLEASE, help and thanks if you do

Derek is working on a thesis on the changes in social behavior in the context of finding partners. an important part of his study concerns the various practices followed by males and females over the course of generations and how they have gradually transformed into our current social norms. derek can be called a(n) psychologist. (tb75)\

According to this map, which of these statements is most correct? a) fewer people are contracting hiv in europe than in the past. b) fewer people are contracting hiv in southern africa than in the past. c) egyptians are less likely to contract hiv than people in sub-saharan africa. d) people in canada contract hiv more frequently than people in the united states.

Which of the following correctly describes a repurchase agreement? the sale of a security with a commitment to repurchase the same security at a specified future date and a designated price. the sale of a security with a commitment to repurchase the same security at a future date left unspecified, at a designated price. the purchase of a security with a commitment to purchase more of the same security at a specified future date.