Minimize any apps/webpages on it you have open (your background has to be visible), left click with the mouse, hit Personalize, and it should have Backgrounds on the page if you scroll down. You can hit Browse to look through your files on the desktop for what you want.
Answer:
Several of the subsystems evolved during the program through design changes: The parachute system, essential for booster recovery, was redesigned with larger parachutes in 1983. Frangible nuts, used in the space shuttle pad hold down and release system, were redesigned in 2008.
Answer:
Open the shape’s properties window, and type the height value multiplied by 2 and the width value multiplied by 3.
Explanation:
