Answer:
15
Step-by-step explanation:
To find the third term substitute n = 3 into the n th term expression
= 3(3 + 2) = 3 × 5 = 15
n = 3
3(n + 2) = 3(3+2) = 3*5 = 15
hi
I Don't know
sorry
I will try to say next time