Answer:
Option C: 
Step-by-step explanation:
Given the side length of a square is 11 units.
Note that 
Since, length cannot be negative, we can eliminate - 11.
Hence, the length of the side of the square is 11 units =
.
Hence, the answer.
Answer:
n=8
Step-by-step explanation:
6(n-4)=3n
6n-24=3n
-24=-3n
n=8
With tip she paid a total of $30.60
1 and 2 are vertical
3 and 4 are adjacent