What is the vertical and horizontal lines passing through (-7, -1)

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?

What are the excluded values? m+5/mn+3m