Answer:
It is false that Joint Application Development (JAD) group produces the best definition of a new system.
Explanation:
JAD group does not produce the best definition of a new system, here is why:
• JAD system incorporates participants with different opinions. Different opinions within the team make it difficult to align goals and maintain focus
• Depending on the size of the project, JAD may require a longer time that will put a strain on the execution of a project
• JAD is too expensive and can be cumbersome/difficult if group is too large
• JAD produces a details and information that is a tentative model not a complete development methodology.
Answer:
Explanation:
find the attached document below
Answer:

Explanation:
Data provided in the question:
Cost of chair P = $60
Cost of chair Q = $90
Number of chair P ordered = p
Number of chair Q ordered = q
Now,
Total number of chairs ordered
= Number of chair P ordered + Number of chair Q ordered
= p + q
Total cost of chairs ordered = $60p + $90q
Therefore,
Average cost of a chair
= [Total cost of chairs ordered ] ÷ [Total number of chairs ordered]
= 
Answer: Quick service
Explanation:
According to the given question, the few restaurants student opting quick service management is the process of lack of varieties, opportunities and the glamour.
The Quick service is one of the disadvantage method using in the management as it contain the fast serving of the food and lack of the various types of variety in the food menu.
We are not able to manage all the stuff in order to satisfying the customer requirement and also lacks the opportunities for the self expression. Therefore, Quick service is the correct answer.