Answer:
the best number is 17 cuz the sequence is to add 2 sooo it's 17 then 19
Answer:
2n+5
Step-by-step explanation:
Sequence = 7,9,11,13,15 ....
tn = a + (n-1)d where a is first number, and d is common difference
tn = 7 + (n-1)2
= 7 + 2n - 2
= 2n+5
therefore tn (or nth term rule) = 2n+5
