Answer:
Step-by-step explanation:
volume of a cube (box) is length x width x height:
5m x 3m x 4m = 60m^3
294
eq.1 is x + y = 24
eq.2 is x - y =2
part c is
13 + 11= 24
and
13 - 11 =2
D
Because A isn' at all right and B, and C equal the same but D = 36 So the sides are 18 each side.