7. What is the description of Z1 as it relates to the situation shown? 5
A. Z1 is the angle of elevation from the airplane to the radar tower.
B. Z1 is the angle of depression from the radar tower to the airplane.
C. Z1 is the angle of elevation from the radar tower to the airplane.
D. Z1 is the angle of depression from airplane to the radar tower.

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