Need someone to work this problem showing the steps

Multiplying an even number of negative numbers gives an answer that is choose from:

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.

Answer this question, only if you know the answer. 30 points and brainliest!