What’s the answer to a b and c

Answer:
[tex]a_4=23\\a_5=29\\5,11,17,23,29[/tex]
Step-by-step explanation:
If you follow the explanation offered, you see that each term is 6 more than the one before:
a. a₄ = a₃ +6 = 17 +6 = 23
b. a₅ = a₄ +6 = 23 +6 = 29
c. The first five terms are a₁, a₂, a₃, a₄, a₅ ⇒ 5, 11, 17, 23, 29