Pls help this was due three days ago

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters