what’s the answer and work for this? Someone PLEASE TEL ME

Which statement best describes the polynomial

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 number line correctly shows 0.8 + 0.3?