I know the answers but I don't know what formulas to use.

10.4 The load impedance in the circuit shown is tance of-52 . Calculate: a) the rms phasors VI and I b) the average power and magnetizing reactive power a d by the (39 + j26) load impedance, c) the average power and magnetizing reactive power absorbed by the (1 j4) 2 line impedance, power delivered by the source, and the shunting capacitor. d) the average power and magnetizing reactive e) the magnetizing reactive power delivered by 39 2500 V (rms) j26 Source Line