Answer:
The answer is C) {(3,2),(4,3),(5,2),(2,6)}
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Parliamentary or semi-presidential system
Answer is #3. -30
Reason
1 and 2 are absolute values so they are 30, the 4th answer is plus or minus, the question says “below sea level” which is a negative number so it is -30.
The answer is b. d . c. hope this helps