Can someone please help me. I have tried doing it a few times and it gave me different answers everytime and I do not know which one is right. please explain how you get the answer.​

Which statement about perfect cubes is true

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.