Select the correct answer.
What is the simplest form of this expression?
(2x - 3)(3x2 + 2x - 1)
A. 6x3 - 2x2 - 8x+3
B.
6x3 - 5x2 - 8x+ 3
C. 6x3 - 9x2 - 4x + 3
D. 6x3 - 5x2 - 6x + 2

Find the measures of the complement and the supplement of each angle, m

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?

The variable in a relation who’s value depends on the value of the independent variable is called what?