Please help me on these two :)

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?

Someone me what is the area of this figure? 18m 18m 8m 16m

Y=21.95x+10 y=22.45x solve by substitution