Determine What Signs on Values of X and Y Would $- 50$

Multiple Choice

Determine what signs on values of x and y would make the statement true. Assume that x and y are not 0.
-Find the magnitude of the difference between a windchill factor of $- 50$ and a windchill factor of $- 5$ .

A) $- 45$
B) 55
C) 45
D) $- 55$