Answer:

Step-by-step explanation:
To solve, we need to take square root of both sides first:

Now we use the property of radical shown below to simplify square root of 28:
Property: 
Now, we have:

Now we take 4 to the other side and isolate x:

first answer choice is right.
Answer:
side A 14, side b is11
Step-by-step explanation:
It’s b) an =-125(-^2/5)^n
The number in the photo should be the answer but the problem might just be that your question was worded incorrectly.
Answer:
The first equation, sorry can’t explain.