A system of equations is shown below: y = 5x + 3
y = 4x -5
What is the solution to the system of equations?
(−3, 18)
(−3, −18)
(3, −18)
(3, 18)

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?

Secant be and cf intersect at point d inside a what is the measure of cde

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?