I think it is always true. I am not sure but I hope I'm right
Answer:
1) yes
2) no
3. yes
Step-by-step explanation:
(plz make me brainliest)
For this case, the first thing we must do is define a variable.
We have then:
x: unknown number
We now write the expression that models the problem:

From here, we clear the value of x.
We have then:




Answer:
4/9 divided by 1/27 equals 12