Find the solution to the system of equations down below x+y+z=-1 x-y+z=-1 x+y-z=3a) (-2,4,-3)b) (1/2,0,1/2)c) (1,0,-2)d)3/2,3/2,0)

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?

Relative to the ground below, how many joules of potential energy does a 1000-kg boulder have at the top of a 5-m ledge?

True or false. there would be no like in earth without the sun