Answer: 12
Step-by-step explanation:
Each class had 3.5 gallons of paint to paint with and 3 classes used 10.5 gallons of paint
<span>Well first this one you can just count which ones are 9 units away so it could be A becuase -4+-9=-13
Another is B because
-4+9=5
</span>I hope it helps.
Comment if you need more help
