All answers are correct except C. Since the US is a market economy, they are not set by the government. They act as signals to buyers and sellers by showing the sellers how much they should price their own products and show buyers how much value the product is. It also an indicator of the quality of a product because if it is more expensive, then the cost to make is able to make it more high quality (this is not always the case but generally). And lastly, it lets you know how much an item costs (no brainer). For me, the best answer would probably be A. act as signals to buyers and sellers
Answer:
voting is a class based activity is the correct answer.
Explanation:
Answer:
It would be ideal to select 160 full-time students and 160 part-time students.
Explanation:
As we can see in the question above, the research aims to analyze how full-time and part-time students organize their time. It is likely that this research wants to compare how these two types of students manage to manage their time, in this case, the sample of 320 students will be divided into two groups, allowing the comparison between groups to be efficient. In this case, it is important that both groups have the same number of members, so that the comparison is statistically efficient. In this case, the researcher is required to select 160 full-time students and 160 part-time students.
Answer: Depression, anxiety and substance-related disorder.
Explanation:
Many elderly people can develop substance use problems or mental disorders, such as depression and anxiety. The might suffer life stressors that are familiar to everyone, but they add up to stressors common to those in later life, like the meaningful continuous decline in their abilities. Moreover, aging people might endure different conditions at once.
