If x is even and y is odd, then x-y	Select the correct option:
A) Even whenever xy is odd
B) Odd
C) Odd whenever xy is even
D) Even
E) It cannot be determined
x is even and y is odd, then x + y is   Let's take x=4 and y=7.   x+y=4+7= 
<gadget id="calculator">4+7</gadget>
<output>11</output>
11.   x+y=11=odd.   Option: Odd
<result>B</result>
If x is even and y is odd, then x-y