Which of the following lines are perpendicular to y =2 x +6

A: y = 2/5x - 8
B: y = -2/5x +7
C: y = 5/2x +3

With both problems. a. s.a. p directions on photo ^

What is the equation of a line passing through (-6,5) and having a slope of 1/3

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