Choose the correct Set-builder form for the following set written in Roster form { − 2 , − 1 , 0 , 1 , 2 }

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

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?