If the letters in the word NEIGHBOR are randomly rearranged, what is the probability that the arrangement ends with the letter B? (Find the probability using Permutation)

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4