Answer:
4
Step-by-step explanation:
I believe the answer is x = 2
Answer:
Switch x and y.
Solve for x.
Function can be written as x²+4.
and last one will be 4.
;-)
Step-by-step explanation:
Well, if one face has an area of 81 square centimeters, then that means that each side of the square is 9 centimeters. The formula to find volume is

, so 9^3 = 729.
In short, your answer would just be 729 centimeters
Hope this helped!!!