This is the answers and their coordinates
Im pretty sure number 15 is D
81=3^4
I hope this helps! Good luck!
5/3
= 1 2/3 or 1.667
Hope this helps!
Answer: 
Step-by-step explanation:
For this exercise it is important to remember the following:

Given the following expression:

You can notice that the radicand (the number inside the square root) is negative. Therefore, in order to simplify the expression, you need to follow these steps:
1. Replace
with
and simplify:

2. Descompose 12 into its prime factors:

3. Substitute into the expression:

4. Since
, you can simplify it:
