Turn the water supply valve all the way to the right to turn it off before working if it is not already off.
Screw one end of the flexible piping connector to the lines running from the bottom of the faucet by hand. Tighten it with the pipe wrench.
Screw the other end of the flexible connector to the pipe end the water will flow to. Tighten the flexible connector with the pipe wrench.
Turn the water supply line on by turning the handle to the left. Inspect the connection that has been made to make sure it is not leaking.