Which is the completely factored form of 18x4 – 42x3 + 24x2? 3x(3x - 4)(2x - 2)
3x2(3x - 4)(2x - 2)
6x(3x – 4)(x - 1)
6x²(3x - 4)(x - 1)

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

We just started the introduction into circles and i have no idea how to do this.

What is the difference between a linear interval and a nonlinear interval?