Solve for v.

2(4v-9)=14

With finding limits of multi variable !

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

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i