Can someone help me ?

X+ y = 5 ; x - y =3 solve using linear combination

Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.