For question 5-8, decide if the set is well-defined or not, and exlain your reasoning. Use the roster method. You may have to do a little Internet reearch. 5. The set of all Americans.
6. The set of all lawyers in Alaska.
7. The set of luxury cars in the 2017 in the model year.
8. The set of all mothers..

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