Answer:
B.Andrew will have 0 points
C.4+(-4) is an expression showing how Andrew gained 4 points but lost 4 points
Step-by-step explanation:
If you add 4 for the first round then take away 4 from the second round you get 0.
The 4+ shows that Andrew gained 4 points in the first round but in the second he lost 4 points.
