I believe the answer is 81x^4-16x^2 difference of squares
Answer:

The net in the attached figure
Step-by-step explanation:
we know that
The surface area of the square pyramid using a net, is equal to the area of a square plus the area of its four lateral triangular faces
so
![SA=16^2+4[\frac{1}{2}(16)(13)]](https://tex.z-dn.net/?f=SA%3D16%5E2%2B4%5B%5Cfrac%7B1%7D%7B2%7D%2816%29%2813%29%5D)

Answer:
answer b
Step-by-step explanation:
lol points ig
Answer:
sorry i do not know can you put the pic bigger
Step-by-step explanation: