Hw set 1/ directions: solve each equ
1. ) 4x + 27 = 3x

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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 equation of this graphed line? enter your answer in slope-intercept form in the box.