Answer:
6
Step-by-step explanation:
You started with 18 and you multiply 6×2 and you get 12 able your answer is 6 I believe. sorry if I'm wrong
Answer:
A. The rate is -2 each hour
B. It is decreasing, as the hours increase, the gallons decrease
I don’t think it is, sorry I’m not 100% sure, good luck though