Can a linear equation and a linear inequality be solved in the same way

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?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Find the area of the triangle shown 3 by 6