Three light bulbs are connected one after the other in a circuit and all three bulbs are lit up at the same time, if the middle bulb burns out

Avalue that describes how heavy an object is and is related to the force of gravity is

I’ve been stuck on this for a while

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill