Michael has found a circular plate partially buried in the sand. Because Michael doesn't know the size of the plate, he wants to first find the center of it, and then he will decide whether it is worth it to continue digging. How can Michael find the center of the circle?

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?

Which of the following is a correct equation based on the triangle shown?

What is the solution to the system of the linear equations