Answer:
The answer you are looking for is D
Step-by-step explanation:
C. The sum of 18 and half the product of 9 and 4.
162
( -a ) ( b ) ( -a + b )
-6 ( 3 ) ( -6 + -3 )
-6 ( 3 ) ( -9 )
- 18 ( -9 )
