Answer:
D. the total area of the garden and walkway
Step-by-step explanation:
Sides of the rectangular garden:
w and w + 3
Add the width of the walkway, 2 feet from both sides, the total of 4 feet:
w + 4 and w + 7
The product of the above is the area of the garden and the walkway
Correct option is D
Hope this helps!