I am not sure I understand this question...
B is true
C is false...because 9 * 7 = 63
A. 24 + 4b = 8
4b = 8 - 24
4b = - 16
b = -16/4
b = -4........this is false if b does not equal -4
D. 4c = 54
c = 54/4
c = 13.5....this is false if c does not equal 13.5
