Asquare has sides of 16 units. squares x + 1 by x + 1 units are cut out of each corner, and then the sides are folded up to create an open box. express the volume v of the box as a function in terms of x. v(x)=

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