Answer:
21
Step-by-step explanation:
-9=9
9+12=21
Answer:
42 inches square
Step-by-step explanation:
x=6
108/12=9
9-3=6
12+12+9+9=42
Answer:
the answer is B
Step-by-step explanation:
I don't have a clue what this a0 at the right stands for, but if we neglected it, we can solve the problem.

So the answer would be 25.
Hope this helps.
Turn the fraction into a decimal,so 1/2 would be .5 and then multiply that into -6 which would be -3