X goes by 1s
And y goes by 3s
Answer:

Step-by-step explanation:
Given sequence: 
Therefore,
General form of an arithmetic sequence: 
(where a is the first term and d is the common difference)
To find the common difference, subtract a term from the next term:

Therefore,

To find the 6th term, input n = 6 into the equation:

Answer:
B because you multiply all the similar numbers together then at the end you add them all up.Step-by-step explanation: