On a hike, each hiker carries the items shown. Write and interpret an expression in simplest form that represents the weight (in pounds) carried by X hikers.

If you answer right ill give brainliest, : )

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

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.