is the engineering practice of making something as fully effective or as perfect as possibl using mathmatical procedures. a predictive analysis b optimization c mechanical advantage d innovation

b. optimization

Explanation:

Optimization may be defined as a term to select the best element or method from the set of alternatives to make the most effective or the best use of a resource or a situation to extract maximum benefit or use.

Thus optimization is an engineering technique or tool to make something as perfect as may be possible by using some engineering techniques or mathematical procedures.

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

~