Factor the polynomial. 6x5 – 18x3 + 54x2

a. 6x2(x3 – 3x + 9)

b. 6x2(x3 – 3x2 + 9)

c. 6x2(x3 – 3x2 + 9x)

d. 2x2(3x3 – 9x + 27)

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