Use checkboxes to change the the background-color of any elements of divs in a page: pink, blue, red, purple. Using array in Javascript

When designers make compromises during the engineering design process the result is often what?

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia

These factors limit the ability to attach files to e-mail messages. location of sender recipient's ability to open file size of file type of operating system used