help me pls there is more but plss help mee

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Yvaries inversely as x. y =12 when x=5. find y when x=4

Scarlett stopped at a campground along the appalachian trail. the campground had a 12 acre area for tents, divided into 6 equal campsites. scarlett picked one of the sections to pitch her tent. which expression would give you the size of scarlett’s campsite? (more than one answer