Answer:
its blury
Step-by-step explanation:
2a - 1 < 6a + 7
bring all the a 's on one side and all the whole numbers on the other side.
2a - 6a < 7 + 1
-4a < 8
multiply everything by -1
4a > -8
a > -8/4
a > -2.
Hope you will understand.
Answer:
nothing
Step-by-step explanation:
there was no mistake at all he did it all correct he subtract 11 from both sides the divided by 2 correctly.
Answer:
I think the equal number to 26 is 5 or mabye 2
Step-by-step explanation:
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:
