look at pic 10 pts will mark brainilest

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

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.

Its worth 10000000 points need asap if you answer correctly ill mark brainliest