What is the equation in point-slope form of a line that passes through the points (3, −5) and (−8, 4) ? y−4=−911(x+8) y+4=−911(x−8) y−4=−15(x+8) y+4=−15(x−8) plzzz !

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?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.