Answer:
0
Step-by-step explanation:
Joe had 5 and Mary had 5.
The amount each person has is equal. They don't have more or less than each other. So it's 0.
The answer to problem #2 is,
( x , y ) ==> ( - x , - y )
All of them were rotated 180° clockwise which is the same as 180° counterclockwise.
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I hope that helps you out!!
Any more questions, please feel free to ask me and I will gladly help you out!!
~Zoey
Answer: Your answer would be 6
Step-by-step explanation: