In a volcano, erupting lava flows continuously through a tube system about 13 kilometers to the sea. assume a lava flow speed of 0.5 per hour and calculate how long it takes to reach the sea.

What kinds of numbers have an odd number of factors?

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.

Which number completes the inequality? 2/3 < _ < 7/9