What does variability mean? Can you give an example?

I am talking about MATH here guys!!!

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.

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?