the position of an open water swimmer swimmer is shown in the graph. the shortest route to the shoreline is one that is perpendicular to the shoreline. write an equation that represents this path

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