Which set of ordered pairs does NOT show y as a function of x? O {(1,9), (1, 11), (3,9), (4, 14), (5,7)}
O {(14, 100), (15,80), (16, 110), (17, 100), (18,90)}
o {(0.2, 5.8), (0.6, 3.7), (-1.3, 4.4), (1.0,0.9), (0.2, 8.1)}
O {(24, 2.7), (21, 2.8), (24, 2.7), (27, 2.5), (29, 2.5)}
I understand x shouldn't repeat but all of them do am I missing something?​

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.

what level of math? also i don't need to be paid if i can you.

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.