17( 2x - 1) - 4 (12x - 6) + 3 (-3x + (-8))

Which shows the pre image of triangle xyz

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?