Answer:
The surface area of the square prism is 
Step-by-step explanation:
we know that
The surface area of the square prism is equal to

where
b is the length side of the square base
h is the height of the prism
In this problem we have


substitute

Answer:
2:5
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Because if you have 2 apples and add 2 apples to that, you'll have a total of 4.