Sorry if it's wrong, I tried
The 15th term of the arithmetic sequence 
Option B is correct
The nth term of an arithmetic sequence is given as:

The first value, a = 22

Since 

The common difference, d = 3

The 15th term of the arithmetic sequence = 64
Learn more here: brainly.com/question/24072079
I need more detail like what the elevation of the fishes are
The solution is -0.609611 and -1.64, I do not think you can simply find this by factoring but the only way is graphing it