Which of the following ordered pairs are NOT integer values ("whole numbers")?
(
4
2
,
2
)
(
2
4
,2)
(
1
,
2
)
(1,2)
(
2.75
,
1.25
)
(2.75,1.25)
(
4
2
,
2
)
(
2
4
,2)
(
1
,
2
)
(1,2)
(
2.75
,
1.25
)
(2.75,1.25)