The correct answers are, <u><em>A, D, and E.</em></u>
Option A
x+8=-3
x+8-8=-3-8
x=-11
Hope I didn't mess up for your sake!
In a square, all sides are equal and all angles are equal.
So, the length of the side is only the height.
Therefore height can be:
1)The root of the area of square
2)The perimeter divided by 4
-12 because surface is usually considered as "0" so 12 ft below the surface means -12.
