Final answer:
The correct answer is d) Model the expression as groups of 2x + 6; There are 2x tiles; There are 6 + 3 tiles; The equivalent expression is 2(x + 3).
Step-by-step explanation:
The correct answer is d) Model the expression as groups of 2x + 6; There are 2x tiles; There are 6 + 3 tiles; The equivalent expression is 2(x + 3).