I think you may need a picture; nobody can help if we don’t know the size of the different sizes of the packages (:
Answer B: The graph crosses the y-axis at (0,5), increasing form x=-10 to x=2 and remaining constant from x=2 to x=10.
Yes 28/30 is bigger than 4/5.
-2.5 and 4
You can get this by factoring to the equation (2x + 5)(x - 4)