The answer is A. C=0 and + = 3
4 miles because there are 5280 ft in one mile so if you were to multiply that by 4 you would get 21120 ft
Answer: The first option.
Step-by-step explanation:
1. The formula for calculate the perimeter is:
P=2l+2w
Where l is the lenght and w is the width.
2. The first perimeter is:

3. If you multiply the dimension by a scale of factor of 2, is the same as write the following expression:

Where
is the first perimeter.
4. Then:
