A stone drops from a 5m tall cliff. If all its potential energy gets converted into kinetic energy. Calculate the speed of the stone just before it touches the bottom of the cliff.(g=10m/s^2)​

If a || b and e || f , what if the value of y ?

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.

How can you check that you have correctly converted frequencies to relative frequencies?