Answer:
Expression
Step-by-step explanation:
<h3>
Answer: z=-1</h3>
Step-by-step explanation:

What do you mean I need to see the prism ??
If the square is the window (I couldn't decipher the grammar/punctuation), the area is 64 feet squared. Since it is a square, the formula to find the area is sxs (side length times side length). 8x8=64, which makes the total area 64 square feet.