Which expression can you substitute for xin12x+y=5 to solve the system below? A:6-y
B:5-y
C:5+y
D:5-12y

Anyone know? will mark brainliest if correct!

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.