Answer: (3 , 7)
Step-by-step explanation: When rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). So all we do is make both x and y negative. Since x and y are already negative, they become positive due to the double negative rule.
1 hour: $60
2 hours: $82
3 hours: $104
4 hours: $126
8 hours: $214
The correct answer is letter D, Region D contains the solution for the system of inequalities.