Solve for x. x/3≤−6 in advance : )

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.