Answer: 
Step-by-step explanation:
Given: The side of the square shaped traffic sign = 4x+3
We know that the area of square is given by:-

Therefore, the area of the side of the square shaped field is given by:-

We know that , 
Therefore,

Hence, 
Answer:
i think its A but im not sure
Answer:
The bill excluding tax is $31.21 and the 20% tip was $6.24.