We need cardinal directions when we <span>use maps, graphic representations... (for example)</span>
Answer: the length of the two pieces are 54cm and 18cm.
<span>
Weathering is when an object wears away or changes the appearance or texture of (something) by long exposure to the air.</span>
<span>
</span>
<span /><span>Erosion is <span>the process of eroding or being eroded by wind, water, or other natural agents.</span></span>
Answer:Factors which can affect the choice of a location of a city are sources of water, landscape, climate, weather, and the availability of natural resources.
Explanation:
<h2>
Explanation:</h2><h2>
</h2>
Hello! Remember you need to write complete questions in order to get good and exact answers. Here I'll assume that you want the interpretation of the expression:

The easier interpretation is that we are talking about a square of sides
so the given expression would represent the area of the square. In other words:

For instance, if we have a square of sides
then the area would be:

The figure below shows the representation of this problem.