It is the first number line :)
Answer:
Linear
The function is linear since the graph of it would be a straight line. You can tell this by looking at the equation since there are no squares, roots, division, etc. that would make the line stray.
Answer:
11/12, 3/4, 5/8, 9/20 (from smallest to biggest)
40 tens=40x10=400
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