Solve for system of equations y = - 5/4x - 2 and y = -1/4x + 19

We have enough material to build a fence around a station that has a perimeter of 180 feet the width of the rectangular space must be 3 1/4 feet what must the length be

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?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,