Two parallel lines are cut by a transversal as shown below. Suppose m 2 7 = 46°. Find m2 1 and m 2 4.
m 21 =
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m 24 =

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?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.