Answer: 
Step-by-step explanation:
You need to use the following formula for calculate the area of a square:

Where "s" is the lenght of any side of the square.
You know that the area of a mural is
. Then, you can substitute this area into the formula and solve for "s", in order to find the side lenght of the mural.
Therefore, this is:

Answer: If you look up the question on Brainly, somebody asked the same question and there is a full explanation.
Step-by-step explanation:
Answer:
The coordinates of point M' are
.
Step-by-step explanation:
According to the statement, we have the following translation rule:
(1)
Where:
- Original point.
- Translated point.
- Translation vector.
If we know that
, then the coordinates of the point M' are:


The coordinates of point M' are
.