PLEASE HELP ME OUT WITH THESE 2 questions I beg you, I’ll give extra extra points

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

The metric unit of electrical power is the watt volt ampere ohm

Acompound machine is also called a machine. a. force b. simple c. complex d. directional