Calculate the slope in lowest terms of the given points (-3, -14) and (12, 11)

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 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?

Need this asap if anyone can i would be very grateful. if you could show workings that would really