Please help me and answer both parts

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

Which graph represents the linear function below? y-4= (4/3)(x-2)