1)can't see the illustration
2) -2+10=8 and-4+12=8
3) 123-180= -57 185-255=-70
Bart has -57 points and Sam has -70 points which means that Bart won the game because after adding up the sums their games Bart has a total of -57 and Sam has a total of -70 and -57 is higher then -70.