Answer:
You cant add a negative number.
Step-by-step explanation:
If you add a negative number you will not have a full answer.
The answer would be D, 11 units! :)
Answer:

Step-by-step explanation:
The total surface area of this triangular prism consists of three rectangles and two triangles. Adding the areas of each of these shapes allows us to find the total surface area of this 3D figure:
Area of both triangles:

Area of all three rectangles:

Therefore, the total surface area of this figure is:

Answer: C
Step-by-step explanation:
I’m pretty sure it’s c because x isn’t less than -2. It goes forever in the directions of positive and negative infinity
The answer is 4195.6. Hope this helps you :)