Help Find the length of GH.
A. About 4.5 units
B. 20 units
C. 6 units
D. About 2 4 units

Write each expression in exponential form and find its value. 3 x 3 x 3

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?

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false