Answer:
3,3
Explanation:
-7 - -4 can translate to 7-4, which equals 3. 6-3 equals three so that is your 3,3.
1/3
The answer is 1/16
lets say y=1 and z=2. If you add those two together you will get 5. so if you plugged in the numbers and multiplied 1 by 1/16 it would equal 1/16.