For this case we must raise the equation according to the given statement.
Let the variable "x" be the unknown number.
So, three times the number is: 
If to that term is added "6" we have:

The sum of both terms is "12", then:

Thus, the equation is: 
Answer:

Answer:
8
Step-by-step explanation:
Since the first decimal place is greater than 5, it rounds to 8, because 8 is the next whole number to 7.
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Answer:
The volume of the pyramid on the left is greater by 8 inches.
Answer:2
Step-by-step explanation:
C or A could be the answer