Express the following statement as a directed number:
"A price rise of $\$17$$17."
Express the following statement as a directed number:
"A loss of $\$176$$176."
Express the following statement as a directed number:
"A temperature drop of $5$5°C."
Express the following statement as a directed (i.e. positive or negative) number:
"Driving $4$4 km due north."