What is the reference angle for 192°?

A 22°
B. 68°
C. 12°
D. 78°

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?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5