You need to put the Answers and picture/problem before asking someone to answer it.
The answer to that would be 0 because the line goes through the orgin witch the points are 0
Vertex is (-2,-3) and it's a minimum.
The answer to the percentage loss of an item would be 91 percent
The students that are correct are Jake , and Liu because 51, and 21 are composite.
Hope this helps!