Variable c is 9 less than variable w. Variable c is also 3 more than variable w. Which pair of equations best models the relationship between c and w? (5 points)
a
c = w + 9
c = w − 3
b
w = c + 9
w = c − 3
c
c = w − 9
c = w + 3
d
w = c − 9
w = 4c + 3
