Answer:
$0.25
Explanation:
The marginal cost of the sixth pencil is given by the difference in total cost of purchasing 6 pencils from the cost of purchasing 5 pencils. That is, the change in cost caused by the addition of the sixth unit of output:

The marginal cost of the sixth pencil is $0.25
Answer:
protectionism
Explanation:
The country could overtax import products such as manufactured products in order to protect its own products and industries. This is very common in trade markets. Nowadays, through the globalization and China´s high development protectionism is ending.
Answer:
The correct answer is Requirements.
Explanation:
The purpose of the requirements discipline is:
Establish and maintain an agreement with customers and other stakeholders about what the system should do.
Provide system developers with a good understanding of system requirements. Define the limits of the system (delimit it).
Provide a basis for planning the technical content of the iterations.
Provide a basis for estimating the cost and time to develop the system.
Define a user interface for the system, focusing on the needs and goals of the users.
To achieve these objectives, it is important, first of all, to understand the definition and scope of the problem that the system is trying to solve. Stakeholders are identified and stakeholder requests are obtained, gathered and analyzed.
From there, the work products of the requirements are developed to fully describe the system (what the system is going to do) in an effort that perceives all stakeholders, including customers and potential users, as important sources of information ( in addition to the system requirements).
Answer:
I have solved part a) because question contains only part a) however it has 3 more parts as well but that are not mentioned in the question. Part a) is explained below.
Explanation:
a) The distribution should be right skewed as most of the numbers lies at that side while using the median to correctly represent an observation in the distribution.
To represent the variability of the observations, interquartile range could be used. Since, there is a good number of expensive houses and this would increase the mean and standard deviation. So, it is better to use interquartile range to represent it, i.e. upper quartile for expensive houses, and lower quartile for less expensive houses and middle quartile for mid-range priced houses.
What should you tell her is: She do not have to enroll under Part B before she enroll in a prescription drug plan.
Medicare prescription drug plan is plan that help to cover all prescribed drugs which means that any person under the plan drugs is covered thereby by saving costs.
Based on the scenario every person who is qualified to Part A or who is enrolled under Part B is qualified to register for Medicare prescription drug plan.
Since she is qualified for Part A, she do not need to register or enroll in Part B before been enrolled in a Medicare prescription drug plan.
Inconclusion What should you tell her is: She do not have to enroll under Part B before she enroll in a prescription drug plan.
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