Is the fundamental rethinking & redesign of business processes to achieve improvement in critical measures of performance such as cost, quality, service speed, & customer satisfaction. a) strategy. b) customer perspective. c) learning & growth perspective. d) reengineering.

Reengineering

Explanation: Reengineering or as we say business process reengineering is a process under which the organisation tries to examine and redesign the business workflows for effective application of business operations.

This is usually done with the objective of increasing quality or decreasing cost etc. The analyst doing this process tries to find the inefficient sides of the processes so that business could achieve its goals.

Hence from the above we can conclude that the correct option is D.

answer/// sequence of operations that requires the longest time for completion';

all you have to do is give a good answer with details and the answer has to be understandable and then they will most likely give you the brainliest answer.