If xy = 1, which is equivalent to x(x – 1)(y + 1)?
a) x – 1
b) x2 – 1
c) x2 – x
d) x2 – x + y – 1

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?

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i