Anyone knows the answers ? need help with this.

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?

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

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