C is the answer, looking at point N, after it is reflected across the y 1, you will see the point ends up at (4,1)
-9 -4x = 7
add 9 to both sides in order to isolate the x
-4x = 16
divide by -4
x = -4
$14.50 because your equation would be 4+1.50(7)=$14.50.
