For the first problem, the answer is D, because every year, the graph goes down by about $4,500.
For problem two,
a. It's located in quadrant one because x and y are both positive (I've attached a graph with labeled quadrants for reference)
I'm unsure about b and c but I hope I helped with the others!
Answer:
C = 2.32 N + 34,180
C = 2.32 × 60000 + 34,180
C = 139200 + 34180
C = $173,380
Do 18x18 which equals 324
Answer: 5:4
Step-by-step explanation: you divide them i believe :)