Find the missing terms of the arithmetic sequence show each step

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?

How do you find the area of a triangle

What is the factor form of x^2-9x+14