Amilk carton is 30cm long and 10cm wide and 50cm high. how much milk can it hold?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol