Write an equation that represents a line with the slope of 8 that passes through the point (-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?

What is a graph with a never ending line called?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0