Answer:
I believe that the answer is C
12+4+9+13+7+11+5+2+_+_ /10= 8
x10 both sides
12+4+9+13+7+11+5+2+_+_=80
63+_+_=80
-63 both sides
_+_= 17
any two numbers that add up to 17 can go in the planks
7,10
Answer:
X= -8
Step-by-step explanation:
only if you are supposed to add the equations at the end
Answer: What's the blocks
Step-by-step explanation:
