30+10xh p.s. x equals the times symbol if you didnt know
The average of those two values is
((-4+2)/2, (4+10)/2) = (-1, 7)
Answer: 
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
- By definition, the perimeter of the figure is the sum of the lenght of each side. Then, you must make the addition as following:

Where
is the perimeter of the figure.
- Add the like terms, then, you obtain the following expression in simplest form:
