( Please help me on this question! ) ( I failed my last unit test, that's why I really need this answer. )
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Which sets of ordered pairs show equivalent ratios? Use the grid to help you. Check all that apply.

A.) (1, 2), (2, 3), (4, 7)
B.) (2, 2), (4, 4), (6, 6)
C.) (3, 1), (4, 1), (5, 1)
D.) (4, 1), (8, 2), (12, 3)
E.) (2, 1), (4, 3), (5, 4)

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then i might be able to .

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.

a reflection across the x axis and a 90 degree rotation left and right.