Answer:
This is not an equation. So it's not possible to find the value of x..
6×7=42 so the number missing is 42
C. Corresponding Angles Postulate
Undefined (not a real number)
The square root of -256 would result in an imaginary number so by terms, it's "not real". The imaginary number would be 16i. 16x 16 =256, but since it's negative, it's √16 √16i.
