On zeba's birthday, her uncle gift her two new dolls. in how many ways can zeba arrange all her dolls on 6 shelves, placing one doll on each shelf?if she has 4 dolls before (a) 720
(b) 30
(c) 360
(d) 6​

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

Identify the number as a rational or irrational. explain. 127

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?