What is part of the first step in troubleshooting a computer problem? researching ways to solve the problem
investigating the problem further
O locating the problem and identifying it
seeking help to solve the problem

answer; /// i believe the correct answers are (b) change in population and (e) future expectation of check first, good luck

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it

you have to put the parentheses like this:

in fact, you have to perform the operation inside parentheses first, and then proceed in order:

answer; /// multipotentialite means a person who have many different interests and creative pursuits in life; (one true calling);

polymath; means a person   of wide-ranging knowledge or learning;

scanner; means; a device that captures images from photographic prints,posters,magazine pages.ect;