To solve this problem just do the following,
x+9=-12
-9 -9
x=-21
Check
-21+9=-12 = True
Hope this helps!=)
Aaron's plane flew 2.25 cm More than noah's plane
Given:
The side of a square is,

Required:
To find the perimeter of a given square.
Explanation:
In square, all the sides are equal.
Therefore, all sides are (s+3).
To find perimeter, we need to add all the sides,
Therefore,

Final Answer:
Option (d) is correct.
Answer:
1.928
Step-by-step explanation: