Answer:

Step-by-step explanation:
( x + 3 )( x - 8 ) =
- 8x + 3x - 24 =
- 5x -24
To find what y is you have to do y1-y2/x1 - x2
Hope this helped
The answer would be 3 root 11
I would say C.
A and B make no sense, you want to divide the group randomly because you want to test the new medicine. D is a bit more logical than A and B but still can't, because that isn't random.