Answer: hello there here are your answers:
8) B multiplication property of zero
9) C additive identify
1) 8
2) -2a-7
Step-by-step explanation:
1) 
2)
I believe the answer is (0,0)
Can you provide more information? Where would the fire be? What type of fire?(wildfire, controlled fire) What is the purpose of the fire?
First look at the factors of 140
140: 1,2,4,5,7,10,14,20,28,35,70,140
35 + 4= 39
35 x 4= 140
Answers are 35 and 4