What is the net change in the stock price fro monday to wednesday?

Which expression is equivalent to sq-80

For what value of (y) is 3^3/3^y =1/9

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