2/5 e +4 = 9

Help please

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

What term makes it inconsistent y=2x - 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