Answer:
-3
Step-by-step explanation:
You have to bring -16 to the other side by adding.
It would make it: -7a=21
Then you hve to diving the -7.
-7a/-7=21/-7
That would equal -3
We cant see the whole question
-15,-5,-2,1,3,8 it's pretty simple
Answer:
346 / 45
Step-by-step explanation:
6 + 6 + 5.3
9
----
4
I believe you multiply all sides to get the area and you add all sides to get the perimeter.