1. (03.05) Which set of rational numbers is arranged from least to greatest? (4 points) -0.5, -1/5, 1/9, 1
1, 1/9, -0.5, -1/5
1/9, -0.5, 1, -1/5
-1/5, 1, 1/9, -0.5
Plz help

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

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