Ethan is a systems developer. he is working on a system where he will implement independent solutions for different processes. what is the possible drawback of using such a system? a. process dependence
b. data duplication
c. huge initial investment
d. increased inventory cost

Chloe is building a kiosk-based excel application. she wants to make some modifications to the screen elements in order to keep users from being distracted by parts of the application that are irrelevant to her application. she turns to henry for guidance as she knows he built a similar solution earlier this year.chloe has decided to hide the worksheet gridlines and the vertical scroll bar. what does henry tell her to use to do this? a) screen elements dialog boxb) display options dialog boxc) customization dialog boxd) excel options dialog box

Which argument is not a valid filter? does not equal this quarter filter by cell color all of these are valid filter arguments.

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names