Which set of numbers below can make a triangle? A) 2, 4, 8
B) 9, 6, 3
C) 5, 9, 6
D) 9, 7, 20

The value √10 and √15 are plotted on the number line

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

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?