For which value of x is the relation not a function? {(3,1),(x,0),(9,5),(12,6)} A) 1 B) 3 C)8 D) 6

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet