Answer:
11: Area as sum: 7d + 28
Area as product 7(d+4)
12: Area as sum: 2y + 3y (could also be y^2 + 3y)
Area as product: y(y+3)
Step-by-step explanation:
For area as sum it's just distributing to each box, and then adding.
For area as product you just undistribute it and put it into parenthesis.