What is the difference between an identity and an equation? expound and prove your point with examples.

Which statement best describes the polynomial

Answer this question only if you know the answer! 30 points and

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236