Answers

2015-07-27T18:19:10+08:00
I do not know the answer i am just a grade 5 so i am just answering your question so i can gain more points 

THANK YOU FOR THE POINTS
GOD BLESS YOU




0
2015-07-27T18:45:44+08:00
First is -(-31) the answer is positive 31 because is the same sign of negative then -(31) the answer is negative because is unlike terms, the correct answer is -31
0