The cats and dogs at a local shelter. Because there is so many in shelters
Were a liquid what? id doesn't make any sense.
Answer:
Yes
Explanation:
A nonlinear optimization problem is indeed a optimization problem in which there are nonlinear elements involved either as the objective function or one or more constraints may be nonlinear also. Let me show you an example. Let optimize de following function:

These are the constraints:

The last constraint consists on nonlinear elements, so this problem in fact a nonlinear optimization problem.
Answer:
Systems engineering is the process of planning, designing, and implementing a system or systems.
Answer:
Just two outputs \n a line break so:
Hello
Girls