Answer:
146 feet below the surface
Step-by-step explanation:

Sqrt(-2), can be written as i * sqrt(2). Thus, our answer is x - i sqrt(2).
Step-by-step explanation:
2x²+2xy+yx+y²+2x²+2xy-yx+y²
2x²+2x²+2xy+2xy+yx-yx+y²+y²
2x²+2x²+2xy+2xy
4x²+4xy
Answer:
-8 12 5
Step-by-step explanation:
they are the numbers attached to the variables