Answer:
8.17 grams
Step-by-step explanation:
To find the total mass of the two coins add the masses together.

A & B are composite while C is prime
Answer:
11n
Step-by-step explanation:
(11)(n) =11n
Answer:
0.10
Step-by-step explanation:
not sure if it's correct but if there were 20 ounces in the water bottle and the water bottle costed 2 dollars, each ounce would cost 10 cents because 2 divided by 20 = 0.10. this would make sense for a real life situation.
hope this helped!