Answer:a
Explanation:
The Present value of cash Flow increases as the discount rate decreases as there is an inverse relation with discount rate.
Mathematically,

Where
PV=Present value
CF=cash Flow
r=discount rate
t=time
as r decreases PV increases
Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
Answer:
A) House members have less voters to appeal to so they are harder to defeat than Senators.
Explanation:
House members have less voters to appeal to so they are harder to defeat than Senators. House districts are an average of 750,000 people so House members can be more connected to their constituents compared to a Senator who represents and entire state.
Answer:
B. Problem-solution.
Explanation:
In the given scenario, Jerome is emphasizing the issues of the school. This means that in his letter to the principal, he will be talking about the issues that he finds with the school. Moreover, he will propose plans to fix such problems/ issues.
So, he will use the structural organization of problem-solution where he will list the problems and also suggest solutions.
Thus, the correct answer is option B.
True because supply and demand affect career wages