Check each true statement about the number 7- square root 3i a) 7 is the real part of the number. b) square root 3 is the imaginary part of the number. c) 7- square root 3 is the coefficient of i. d) this number is the sum of a real number and an imaginary number.

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