What is the reason for each step in the solution of the equation? 4x−1=−2(x+1) drag and drop the reasons into the boxes to correctly complete the table. 4x−1=−2(x+1) 4x−1=−2x−2 6x−1=−2 6x=−1 x=−16

Simplify. show your work. ( 6x-2 ) ^2 ( 0.5x )^4

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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?