Answer:
option 3
Step-by-step explanation:
Since definition of slope is:

the ratio:

explains the best (Ratio option 3)
Answer:
3566 did the test.
Step-by-step explanation:
Answer:
1200-1600
Step-by-step explanation:
That is the answer because the highest bar is at 1200-1600. if that's not one of your options then it's 800-1200. Hope it helps, mark brainiest if it did.