Here are the first 5 terms of an arithmetic sequence: 2,9,16,23,30 a)write down,in terms of n,an expression for the nth term of...

Here are the first 5 terms of an arithmetic sequence: 2,9,16,23,30 a)write down,in terms of n,an expression for the nth term of this sequence b)Joanna says that 344 is a term in this sequence. Is Joanna right? You must fully explain your answer