B. 9 I think because it looks like it is bisected in the middle to cut into two equal parts. Please correct me if I am wrong. Thanks.
To find the slope of the graph you pick any piece of the line, and divide the vertical difference between its ends by the horizontal difference between its ends. If the graph is distance versus time then the slope represents the speed.
Answer:
Step-by-step explanation:
18*18 = 324
So 18 is the closest integer to 
Answer:
Ummm
Step-by-step explanation:
So what do you need help with?