Frequency is... a. the strength of an electromagnetic wave.
b. the number of times AC reverses direction per second.
c. the rate of voltage fluctuation in a circuit.
d. the level of amperage, or current, in a circuit.

If you turn on the lock alpha button , what happens

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

Need asap write a short paper describing the history and differences between six sigma, waterfall, agile, and scrum models. understanding these models can give you a good idea of how diverse and interesting it development projects can be. describe what the rationale for them is and describe their key features. describe the history behind their development. at least 400 words