Question:
If x = 2, y = 3 and z = -5, then x^2 + y^2 +2z = ?
Answer:

Explanation:
Given



Required
Determine 

Substitute values for x, y and z in the above expression:





If it's melt it will become water and then ice
or
If it's stays long enough in colder places it probably become solid
The world biological is happen