PLZ HELP WILL GIVE BRAINLIEST What is the range of the function represented by these ordered pairs?

{(–2, 1), (0, 0), (3, –1), (–1, 7), (5, 7)}
{–2, –1, 0, 3, 5}
{–1, 0, 1, 7}
{–2, –1, 0, 1, 3, 5, 7}
{0, 1, 7}

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?

Use circumcenter theorem to solve for the given values

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?