Urgent due in half an hour: you are in the middle of a large field. you walk in a straight line for 100m, then turn left and walk 100m more in start line before stopping. when you stop, you are 100m from the starting point. by how many degrees did you turn? a) 90b) 120c) 30d) 180e) this is impossible. you cannot walk 200m and be the only 100m away from where you started.

What is the rate of change in a objects position?

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element

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