Will give a

simplify the expression 3^5 * 6^-6/3^3 * 6^-4.

a.
180
b.
5/2
c.
1/4
d.
3/20

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?

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Combine the information in the problem and the chart using the average balance method to solve the problem.