Answer:
8:1
Step-by-step explanation:
Don reads 8 pages a minute. Therefore the amount of pages he could read is 8 and the amount of time it takes is a minute
I think that the answer could be D
You find the slope of the line by using the formula 
where x1 and y1 is the first point, and x2 and y2 are the second point.
You have to find the angle for it try it!!!!!!!!!!
