Answer:
its 4
Step-by-step explanation:
a 1 = 3 , a n = a n - 1 + 2
because if you aply this to the shapes that you see at problem 21 you will see that it meaches them
Answer:
ok
Step-by-step explanation:
what do u mean by the simplest form?
Answer: The first one
Explanation: Is that right don't just rely on me haha if I helped u tell me please
