Which pair of transformations could map.

helpp!​

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

What dimensions can créate more than one triangle ?

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