B as when you look at the X coordinate line you can see how the parabola goes between when x is both -1 and when it is -4.
(2,5) equal 10
(-4,9) equal 5
But if you were taking away 10 - 5 equal 5
Total divided by number of rows=number per row
63/7=9
9 per row
Answer:
3 1/3
Step-by-step explanation: