I found total impedance to be 14.23 ohms with an angle of 20.15. Found power factor to be .938
Pretty much stuck at a dead end trying part 2 and 3.
[STRIKE]Can you detail your calculation of impedance and power factor? 14.24 Ohms seems a bit small to me.[/STRIKE]
EDIT: Never mind, my mistake: you have the impedance correct.