2/3+4/9
denominator= 3*9=27
numerator = (18+12)= 30
therefore the answer is 30/27= 10/9
Answer:
I think it's 50 degrees...<em>(</em><em>alternative</em><em> </em><em>angels</em><em>)</em>
Answer:

Step-by-step explanation:
We want to simplify:

We rewrite as:

We split the radical sign to obtain:

Simplify the square root for the perfect squares to get:

Therefore the simplified form is: 
Step-by-step explanation:
4 is the common difference