<span>The person or persons requesting the worksheet should supply their requirements in a requirements document. </span>
        
             
        
        
        
A mixture can be composed of a few individual objects or several complex groups of objects.
Hope I helped! ( Smiles )
        
             
        
        
        
Answer: expediting the local area network 
Explanation: Case tools are the tools or service that helps in the software development but the automatic activity. This tool can be applied on various applications like mobile apps, E-commerce websites etc.
 Analyst focus on the features like improving productivity ,low time consumption,integration of the work and making the communication better with the users ,helps in producing large amount of the documents etc. 
The only factor not accepted by analyst is accomplishing the operation in the LAN(local area network) as it does not facilitates this operation because it is not software development process.
 
        
             
        
        
        
Answer:
usability testing
Explanation:
Usability testing is done by normal users which are being observed by researchers to complete tasks . Basically observers observe mainly on user ease to use the application
 
        
             
        
        
        
Answer:
Microsoft Excel es un programa para calcular y simplificar las tareas de administración de datos que forma parte del paquete Microsoft Office de Microsoft Corporation. Microsoft Excel tiene funciones básicas que se pueden usar para trabajar con hojas de cálculo, usando una cuadrícula que consta de celdas. Las funciones también están disponibles para mostrar gráficos y datos visuales similares.