In triangle ABC, AB//QR and AP:PB=BR:TC. with reasons ,prove that PQ//BC​

Iam so stuck. what is the worked out answer for this question?

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

What is 32+4 x (16 x 1/2) -2 show your work}