If two integers x,y (x>y) are selected from -6 to 6 (inclusive), how many cases are there?
Options:
A) 70 B) 74 C) 78 D) 82 E) 86
There are 13 integers from -6 to 6 inclusive.   13C2 = 78.   The answer is 78.
<result>C</result>
If two integers x,y (x>y) are selected from -6 to 6 (inclusive), how many cases are there?