Answer:23
Step-by-step explanation:
Answer:
No Solution
Step-by-step explanation:
If you grouped like terms, you would get 
Both <em>n's</em> would cancel each other out.
I hope this helps! (If it's wrong, then tell me, I'll try to find the correct answer...)
For finding surface area we add all the surface of the prism- 60×2=120(because in the prism there are two triangle so we are multiplying the area of triangle with 2) know we will multiply 40×8=320 perimeter is the sum of all sides. surface area= 320+120=440
A triangular Prism has the 6 faces, 9 edges, 5 verticles