Surface area of spheres

10 points? me . its important ‼️‼️

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

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