I think the answer is:
30,000+200s = 80,000
where s represents the sales
Rick started his coffee break at 9:40 am.
It's basically asking you how far away is each dot. The graph goes by six. Good luck
D. x - 9y + 4 = x + 4 + (-9y)
Missing check = $412.20 - $331.60 = $80.6
Hope it helps!