Answer:
Add all the digits.
If the sum of digits is a multiple of 3, the number is too
sorry cant help
Step-by-step explanation:
5+90m
117 - 78m + 168m - 112
117- 112 = 5
-78m + 168m= 90m
B
Put "Volume of a Cone" in your browser and all you have to do is type the height and radius.
