A farmer sets up two corn mazes for a fall festival, as shown in this model. A model with 2 corn mazes. Corn maze 1 is made up of 5 acres represented by 1 row of 5. Corn maze 2 is made up of 15 acres represented by 3 rows of 5. Which equivalent expressions are represented by the model? Check all that apply. 15 + 5 3 + (5 + 1) 3(5 + 1) 5(3 + 1) (5)(3) + (5)(1)