Answer:
15/18
Step-by-step explanation:
A single di has 6 sides, meaning the probability of rolling a 6 is 1/6. So if you roll a di 18 times you would probably get 6 three times. Meaning the number of unsuccesful rolls would be (18/18 - 3/18). Hope this helps.
Answer:
The solution is 
Step-by-step explanation:
We need to write everything as a power of 3.
We know that:

So

And

This following property is also important:

To solve, the first step is putting everything with the variable x on one side and everything without the variable x on the other side





This means that:



Answer:
pretty sure she did something wrong in the 1st step, it specifically said to do 6.1-4.5, but she changed the parathenesis, resulting in a different answer