Which are steps that could be used to solve 0 = 9(x2 + 6x) – 18 by completing the square? check all that apply.
18 +81 = 9(x2 + 6x +9)
18+9 = 9(x2 + 6x +9)
18+ 36 = 9(x2 + 6x + 36)
11 = (x + 3)2
1342 = (x + 6)2
799 = (x + 3)2

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