168/12 = 13.5
if it help u pick as best:)
Answer:

Step-by-step explanation:

1 gram = 1000 milligrams
a) You can pick any 3 <u>gram</u> numbers that add to 15.4 grams
For example, 5 , 3, 7.4 = 15.4 grams
a) You pick any 3 <u>milligram</u> numbers that add to 15.4 grams (or 154,000 milligrams)
For example, 50,000, 70,000, 34,000 = 154,000 milligrams
Answer:
C
Step-by-step explanation:
Because the domain is [-6, 6] and the line on the graph is horizontal