Answer:
7-21
Step-by-step explanation:
if -a+b
is thesame according to laws of integers as
b-a
Answer:
Mason recieved 15 points for answering the question correctly so that means that he had -15 points before. The points would be at -15 and 0.
That's the answer in my opinion.good luck!
Answer:
35
Step-by-step explanation: