The structure of laminin antedates by many thousands of years traditional Christian accounts of the life of Jesus. A cross-like shape is a very simple structure that is commonly found in elements created naturally or accidentally.
Problem solving consists of using generic or ad hoc methods, in an orderly manner, for finding solutions to problems. Some of the problem-solving techniques developed and used in artificial intelligence, computer science, engineering, mathematics, or medicine are related to mental problem-solving techniques studied in psychology.
Four methods for solving systems of equations are: Graph every equation in the system and then use the graph to find the coordinates of the point(s) where the graphs intersect. The point of intersection is the solution. This method is not helpful when the solution is not integers.