(URGENT)Find the equation of the normal line to the curve below at the point (1, -2) in point slope form.
y=4x^3-7x^2+3x-1

What is the standard form of -5x^2+2x^4-11+x^3+3x

What is the value of x in the following equation. -x ^3/2 = -27

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?