Elise, jake, malik, and xiao each found a solution to the same inequality.
inequality: |6x| + 3 _< 0
elise's solution: 1/2 _< x _< -1/2
jake's solution: x _< -1/2 or x> _ 1/2
malik's solution: no solution
xiao's solution: all real numbers
which solution is correct?

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