It cost Mr. Packer $3.60 to send a 3-pound package using next-day service. At this rate, what will it cost him to send a 4-pound package? Which is the only proportion that can be used to solve this problem?​

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Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?

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