An expense account had a balance of $250. during one month the account had, in order, a charge of $15, a credit of $12, a charge of $22, a credit of $56, a charge of $27 and a charge of $16.what was the most money that was in the account at any time?

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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