Answer:
A.10
Explanation:
To find the slope of a graph we have to find y-y1 over x-x1. in this case i selected points 0,0 and 1,10. This means we have 10-0/1-0 or 10/1. when you simplify this you get 10. This graph has a slope of ten.
Hope this helps! if you don't understand just tell me and I'll explain it better!