The answer isss..................... 69
Answer:
Option C is correct
76 feet
Step-by-step explanation:
Area of square(A) is given by:

where, s is the side of the square.
As per the statement:
A square ceiling has an area of 360 square feet.
⇒A = 360 square feet.
then;

⇒
Perimeter(P) of square is given by:

then;

Therefore, 76 feet molding does he need.
The answer is to the geometric sequence is 512
Make all a and constant number in different side
10-7=16z-7z+2z
3=11z
z=3/11