All you need to do is convert all equations into standard form by using the distributive property on each equation.
Answer:

Step-by-step explanation:
Whenever you are adding exponents that have the same base (in this case the base is 9), you simply add the exponents. The base will stay the same because you are just adding the exponents

So, your answer is 
Hope this helps!
Answer:
1/2
Step-by-step explanation:
1/6 plus 2/6 equals 3/6 which is then simplified to 1/2