But what role does math play in solving complex problems such as curing a disease ... models that are realistic enough to be ...

The previous section contains frameworks which help to define the differences between simple, complicated, complex and chaotic problems, systems and situations. In each framework there are ideas on ...

Situations requiring a complex return include: Tax preparation companies define simple returns differently, but most free filing services are limited to basic Form 1040 returns. For example ...

Simple sentences are important for making clear ... such as 'and', 'but' and 'so' to link them together. Complex sentences include a subordinate clause. Go back to the video you have just watched ...