Answer:
-2b and -0.9b and b/12
Step-by-step explanation:
ans is c it is simple c only meet the need of questions
-6 x 2 + 6 x 200. Since you want to find out 6 multiplied by 198 the easiest way (for me) would be to round it and then substract 12 since 200-198 is equal to 2 and 6 x 2 is equal to 12