If x-y=8, which of the following must be true?
I. If x is negative, y must be negative
II. If x is positive, y must be positive
III.Both x and y are positive
Choose the correct choice from the following choices
A) I only	B) II only	C) III only	D) I and II	E) II and III
If x-y=8, which of the following must be true?   I. Both x and y are positive   II. If x is positive, y must be positive   III. If x is negative, y must be negative   1. x and y can be negative, for instance, -2 - (-10) = 8 =&gt;Eliminate A and D   2. x can be positive and y can be negative, for instance, 2 - (-6) = 8 =&gt; Eliminate B and E   I only) I only   B) II only   C) III only   D) I and II   E) II and III   I onlynswer I only
<result>A</result>
If x-y=8, which of the following must be true?
I. If x is negative, y must be negative
II. If x is positive, y must be positive
III.Both x and y are positive