Groups of students are hiking from mile markers 2, 6 and 8, to meet at the waterfall located at mile marker 5. A. How can you use the mile marker to determine the number of miles each group of students needs to hike to the waterfall?

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