Answer:
Answer is option a, i.e. have been combined to develop a procedure that uses the best of each.
Explanation:
In project management, PERT i.e. project evaluation and review technique is used as a statistical tool that is used to assess the overall work that is done to complete a certain project. In order to complete a particular task, there can be 'n' number of paths or ways. The best decision of selecting a pathway that is time-saving as well as cost-saving is to be found out. This chosen path is then referred to as 'Critical path.' Hence, PERT and CPM can be understood as two faces of a single coin, and have been combined to develop a procedure that uses the best of each.
 
        
             
        
        
        
Answer:
 I would us the data by 
Explanation:dividing the difference in the prices of similar homes between districts by the difference in test scores between districts
 
        
             
        
        
        
Answer:
The answer is b) how technology is best used in the production of goods and services
Explanation:
The concept of welfare economics is used in the context of the Economy and public finances. It is defined as the branch of the economy that tries to determine the conditions that are needed to reach the maximum of social welfare. For this, the conditions are established to maximize production with a given amount of resources and optimization of the distribution of goods and services, analyzing the policies pursued in the achievement of goals that are considered desirable from the point of view of well-being.
 
        
             
        
        
        
The duration of Security P based on the info given will be 11 years. 
<h3>How to calculate the time?</h3>
From the information given, Security P is a preferred stock and Security Z is a zero coupon bond that has 11 years remaining until maturity.
Therefore, the duration will be:
= (1 + y)/y
= (1 + 0.1)/0.1
= 1.1/0.1
= 11 years
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