The answer is C. go with it.
E=9h+1.5(9)(h-40)
e=9h+13.5(h-40), since h=49
e=9(40)+13.5(9)
e=9(40+13.5)
e=9(53.5)
e=$481.50
54 - 18n
Multiply -9 by -6 to get 54.
Multiply -9 by 2n to get 18n.
First one is C (18 sq units)
Second one is A (12sq2 units)