Brainliest to whoever gives me the right answer first pls help

which of the following is not a polynomial identity?

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i