Don’t understand please help

Answer: Your answer is letter A...
Step-by-step explanation:
This is simple surface area of a rectangular prism (2lw + 2hw + 2lh)
Work:
First, if you were to fold this, it would turn into a box. This is what it looks like unfolded. As you can see there are two numbers of each. This is because there are two tops, two bottoms, and two sides to each rectangular prism.