45-138-160+3-6-973)-31)
B) UN number changes from -20 to 30what is the increase or decrease in the num
Answers
Answered by
0
Answer:
I don't know the correct answer of this question
Similar questions
Social Sciences,
28 days ago
Chemistry,
28 days ago
Biology,
8 months ago
English,
8 months ago
Math,
8 months ago