A scientist is testing a strong elastic cord for an experiment. For every 10 pounds she adds to the cord, the cord stretches 1.5 inches. She writes the equation W = kl to represent this relationship, where W is weight applied and I is the length the cord stretches. What is the constant of proportionality in her equation?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Give me the equations of two lines that have the same slope but are not parallel.

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.