Which coordinates are not of the vertices of the feasible region for the system of inequalities?
y < 4
x < 5
x + y > 6
select one:
a. (5,1)
b. (0,6)
c. (2,4)
d. (5,4)

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