The measure of angle 1 is 30°, and the measure of angle 2 is 110°. what is the measure of angle 4?

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?

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4