What is 0.75, 1/2, 0.4 and 1/5 in order from least to greatest?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?