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
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Answer:
y = 5
Step-by-step explanation:
if y = 5 then
(√10-1) -1 = 2
3 - 1 = 2
true