7. A high-speed train can travel 140 miles in 12 hours, 224 miles in 2 hours, 308 miles in 2 hours, and 448 miles in 4 hours. Your friend wants to show
that the train travels according to a proportional relationship. Would you
recommend that your friend make a graph or use a table?
Explain your reasoning.

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

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Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?