If two integers x,y (x>y) are selected from -4 to 4 (inclusive), how many cases are there?
Choices.
A) 27	B) 30	C) 33	D) 36	E) 39
There are 9 integers from -4 to 4 inclusive.   9C2 = 36.   The answer is 36.
<result>D</result>
If two integers x,y (x>y) are selected from -4 to 4 (inclusive), how many cases are there?