I will offer more points maybe...
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1.
Martha is incorrect
One point is 15% is equal to 0.15
And 1.5 is greater than 1.15, as 1.5 is just 1.50
Correct order is 0.03, 15%, 25%, 1.15, 1.5
Otherwise, 0.03, 0.15, 0.25, 1.15, 1.5
2.
Rational: -21.0, -7.812, -13.6, 5.6
Integers: -2, -80
Whole: 33, 2, 15