The angle measures of a triangle are shown in the diagram.

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?

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

How to simply and write the answer n a whole number