Answer:
.
Step-by-step explanation:
Answer:
x^{3} + 2
Step-by-step explanation:
Answer:
the first one or A. hope this helps.
Step-by-step explanation:
The formula for the area of a square is:
A=s²
Since we known that the area is 81ft², we can solve for the length of a side.
A=s²
81=s²
find the square root of both sides
9ft=s
The length of each side is 9ft